diff --git a/lv_conf_template.h b/lv_conf_template.h
index 80c19ea9a..b1ecea022 100644
--- a/lv_conf_template.h
+++ b/lv_conf_template.h
@@ -137,7 +137,7 @@ e.g. "stm32f769xx.h" or "stm32f429xx.h"*/
  *-----------*/
 
 /*Enable the log module*/
-#define LV_USE_LOG      1
+#define LV_USE_LOG      0
 #if LV_USE_LOG
 
 /*How important log should be added:
@@ -151,7 +151,7 @@ e.g. "stm32f769xx.h" or "stm32f429xx.h"*/
 
 /*1: Print the log with 'printf';
  *0: User need to register a callback with `lv_log_register_print_cb()`*/
-#  define LV_LOG_PRINTF   1
+#  define LV_LOG_PRINTF   0
 
 /*Enable/disable LV_LOG_TRACE in modules that produces a huge number of logs*/
 #  define LV_LOG_TRACE_MEM            1
@@ -159,7 +159,6 @@ e.g. "stm32f769xx.h" or "stm32f429xx.h"*/
 #  define LV_LOG_TRACE_INDEV          1
 #  define LV_LOG_TRACE_DISP_REFR      1
 #  define LV_LOG_TRACE_EVENT          1
-#  define LV_LOG_TRACE_SIGNAL         1
 #  define LV_LOG_TRACE_OBJ_CREATE     1
 #  define LV_LOG_TRACE_LAYOUT         1
 #  define LV_LOG_TRACE_ANIM           1
@@ -174,9 +173,9 @@ e.g. "stm32f769xx.h" or "stm32f429xx.h"*/
  *If LV_USE_LOG is enabled an error message will be printed on failure*/
 #define LV_USE_ASSERT_NULL          1   /*Check if the parameter is NULL. (Very fast, recommended)*/
 #define LV_USE_ASSERT_MALLOC        1   /*Checks is the memory is successfully allocated or no. (Very fast, recommended)*/
-#define LV_USE_ASSERT_STYLE         1   /*Check if the styles are properly initialized. (Very fast, recommended)*/
-#define LV_USE_ASSERT_MEM_INTEGRITY 1   /*Check the integrity of `lv_mem` after critical operations. (Slow)*/
-#define LV_USE_ASSERT_OBJ           1   /*Check the object's type and existence (e.g. not deleted). (Slow)*/
+#define LV_USE_ASSERT_STYLE         0   /*Check if the styles are properly initialized. (Very fast, recommended)*/
+#define LV_USE_ASSERT_MEM_INTEGRITY 0   /*Check the integrity of `lv_mem` after critical operations. (Slow)*/
+#define LV_USE_ASSERT_OBJ           0   /*Check the object's type and existence (e.g. not deleted). (Slow)*/
 
 /*Add a custom handler when assert happens e.g. to restart the MCU*/
 #define LV_ASSERT_HANDLER_INCLUDE   <stdint.h>
diff --git a/src/core/lv_indev.c b/src/core/lv_indev.c
index 97026108c..60a671b01 100644
--- a/src/core/lv_indev.c
+++ b/src/core/lv_indev.c
@@ -380,11 +380,11 @@ static void indev_keypad_proc(lv_indev_t * i, lv_indev_data_t * data)
     uint32_t prev_key = i->proc.types.keypad.last_key;
 
     /*Save the last key.
-     *It must be done here else `lv_indev_get_key` will return the last key in events and signals*/
+     *It must be done here else `lv_indev_get_key` will return the last key in events*/
     i->proc.types.keypad.last_key = data->key;
 
     /*Save the previous state so we can detect state changes below and also set the last state now
-     *so if any signal/event handler on the way returns `LV_RES_INV` the last state is remembered
+     *so if any event handler on the way returns `LV_RES_INV` the last state is remembered
      *for the next time*/
     uint32_t prev_state             = i->proc.types.keypad.last_state;
     i->proc.types.keypad.last_state = data->state;
@@ -587,7 +587,7 @@ static void indev_encoder_proc(lv_indev_t * i, lv_indev_data_t * data)
                         lv_group_set_editing(g, lv_group_get_editing(g) ? false : true); /*Toggle edit mode on long press*/
                     }
                 }
-                /*If not editable then just send a long press signal*/
+                /*If not editable then just send a long press Call the ancestor's event handler*/
                 else {
                     lv_event_send(indev_obj_act, LV_EVENT_LONG_PRESSED, NULL);
                     if(indev_reset_check(&i->proc)) return;
@@ -788,14 +788,14 @@ static void indev_proc_press(lv_indev_proc_t * proc)
         if(indev_reset_check(proc)) return;
     }
 
-    /*If a new object was found reset some variables and send a pressed signal*/
+    /*If a new object was found reset some variables and send a pressed Call the ancestor's event handler*/
     if(indev_obj_act != proc->types.pointer.act_obj) {
         proc->types.pointer.last_point.x = proc->types.pointer.act_point.x;
         proc->types.pointer.last_point.y = proc->types.pointer.act_point.y;
 
-        /*If a new object found the previous was lost, so send a signal*/
+        /*If a new object found the previous was lost, so send a Call the ancestor's event handler*/
         if(proc->types.pointer.act_obj != NULL) {
-            /*Save the obj because in special cases `act_obj` can change in the signal function*/
+            /*Save the obj because in special cases `act_obj` can change in the Call the ancestor's event handler function*/
             lv_obj_t * last_obj = proc->types.pointer.act_obj;
 
             lv_event_send(last_obj, LV_EVENT_PRESS_LOST, NULL);
@@ -818,7 +818,7 @@ static void indev_proc_press(lv_indev_proc_t * proc)
             proc->types.pointer.vect.x         = 0;
             proc->types.pointer.vect.y         = 0;
 
-            /*Send a signal about the press*/
+            /*Send a Call the ancestor's event handler about the press*/
             lv_event_send(indev_obj_act, LV_EVENT_PRESSED, NULL);
             if(indev_reset_check(proc)) return;
 
@@ -856,12 +856,12 @@ static void indev_proc_press(lv_indev_proc_t * proc)
 
         /*If there is no scrolling then check for long press time*/
         if(proc->types.pointer.scroll_obj == NULL && proc->long_pr_sent == 0) {
-            /*Send a signal about the long press if enough time elapsed*/
+            /*Send a Call the ancestor's event handler about the long press if enough time elapsed*/
             if(lv_tick_elaps(proc->pr_timestamp) > indev_act->driver->long_press_time) {
                 lv_event_send(indev_obj_act, LV_EVENT_LONG_PRESSED, NULL);
                 if(indev_reset_check(proc)) return;
 
-                /*Mark the signal sending to do not send it again*/
+                /*Mark the Call the ancestor's event handler sending to do not send it again*/
                 proc->long_pr_sent = 1;
 
                 /*Save the long press time stamp for the long press repeat handler*/
@@ -869,9 +869,9 @@ static void indev_proc_press(lv_indev_proc_t * proc)
             }
         }
 
-        /*Send long press repeated signal*/
+        /*Send long press repeated Call the ancestor's event handler*/
         if(proc->types.pointer.scroll_obj == NULL && proc->long_pr_sent == 1) {
-            /*Send a signal about the long press repeat if enough time elapsed*/
+            /*Send a Call the ancestor's event handler about the long press repeat if enough time elapsed*/
             if(lv_tick_elaps(proc->longpr_rep_timestamp) > indev_act->driver->long_press_rep_time) {
                 lv_event_send(indev_obj_act, LV_EVENT_LONG_PRESSED_REPEAT, NULL);
                 if(indev_reset_check(proc)) return;
@@ -897,11 +897,11 @@ static void indev_proc_release(lv_indev_proc_t * proc)
     indev_obj_act = proc->types.pointer.act_obj;
     lv_obj_t * scroll_obj = proc->types.pointer.scroll_obj;
 
-    /*Forget the act obj and send a released signal*/
+    /*Forget the act obj and send a released Call the ancestor's event handler*/
     if(indev_obj_act) {
         LV_LOG_INFO("released");
 
-        /*Send RELEASE signal and event*/
+        /*Send RELEASE Call the ancestor's event handler and event*/
         lv_event_send(indev_obj_act, LV_EVENT_RELEASED, NULL);
         if(indev_reset_check(proc)) return;
 
@@ -922,7 +922,7 @@ static void indev_proc_release(lv_indev_proc_t * proc)
 
     }
 
-    /*The reset can be set in the signal function.
+    /*The reset can be set in the Call the ancestor's event handler function.
      * In case of reset query ignore the remaining parts.*/
     if(scroll_obj) {
         _lv_indev_scroll_throw_handler(proc);
diff --git a/src/core/lv_obj.c b/src/core/lv_obj.c
index 02760f260..b13380074 100644
--- a/src/core/lv_obj.c
+++ b/src/core/lv_obj.c
@@ -93,12 +93,6 @@ const lv_obj_class_t lv_obj_class = {
 #  define EVENT_TRACE(...)
 #endif
 
-#if LV_LOG_TRACE_SIGNAL
-#  define SIGNAL_TRACE(...) LV_LOG_TRACE( __VA_ARGS__)
-#else
-#  define SIGNAL_TRACE(...)
-#endif
-
 /**********************
  *   GLOBAL FUNCTIONS
  **********************/
@@ -272,7 +266,7 @@ lv_res_t lv_obj_event_base(const lv_obj_class_t * class_p, struct _lv_obj_t * ob
     if(class_p == NULL) base = obj->class_p;
     else base = class_p->base_class;
 
-    /*Find a base in which signal_cb is set*/
+    /*Find a base in which Call the ancestor's event handler_cb is set*/
     while(base && base->event_cb == NULL) base = base->base_class;
 
     if(base == NULL) return LV_RES_OK;
diff --git a/src/core/lv_obj_class.c b/src/core/lv_obj_class.c
index 4cb8356cf..e8939c20a 100644
--- a/src/core/lv_obj_class.c
+++ b/src/core/lv_obj_class.c
@@ -55,7 +55,7 @@ lv_obj_t * lv_obj_create_from_class(const lv_obj_class_t * class_p, lv_obj_t * p
     lv_obj_construct(obj, parent, copy);
 
    if(parent) {
-       /*Send a signal to the parent to notify it about the new child.
+       /*Send a Call the ancestor's event handler to the parent to notify it about the new child.
         *Also triggers layout update*/
        lv_event_send(parent, LV_EVENT_CHILD_CHANGED, obj);
 
diff --git a/src/core/lv_obj_draw.h b/src/core/lv_obj_draw.h
index 9c0432809..182753826 100644
--- a/src/core/lv_obj_draw.h
+++ b/src/core/lv_obj_draw.h
@@ -123,7 +123,7 @@ lv_coord_t lv_obj_calculate_ext_draw_size(struct _lv_obj_t * obj, uint8_t part);
 void lv_obj_draw_dsc_init(lv_obj_draw_dsc_t * dsc, const lv_area_t * clip_area);
 
 /**
- * Send a 'LV_SIGNAL_REFR_EXT_DRAW_SIZE' signal to the object to refresh the value of the extended draw size.
+ * Send a 'LV_EVENT_REFR_EXT_DRAW_SIZE' Call the ancestor's event handler to the object to refresh the value of the extended draw size.
  * The result will be saved in `obj`.
  * @param obj pointer to an object
  */
diff --git a/src/core/lv_obj_pos.c b/src/core/lv_obj_pos.c
index 8bd86270e..fa19744a0 100644
--- a/src/core/lv_obj_pos.c
+++ b/src/core/lv_obj_pos.c
@@ -506,7 +506,7 @@ void lv_obj_move_to(lv_obj_t * obj, lv_coord_t x, lv_coord_t y, bool notify)
     /*Inform the object about its new coordinates*/
     lv_event_send(obj, LV_EVENT_COORD_CHANGED, &ori);
 
-    /*Send a signal to the parent too*/
+    /*Send a Call the ancestor's event handler to the parent too*/
     if(parent && notify) lv_event_send(parent, LV_EVENT_CHILD_CHANGED, obj);
 
     /*Invalidate the new area*/
@@ -713,10 +713,10 @@ static bool refr_size(lv_obj_t * obj, lv_coord_t w, lv_coord_t h)
         obj->coords.x2 = obj->coords.x1 + w - 1;
     }
 
-    /*Send a signal to the object with its new coordinates*/
+    /*Send a Call the ancestor's event handler to the object with its new coordinates*/
     lv_event_send(obj, LV_EVENT_COORD_CHANGED, &ori);
 
-    /*Send a signal to the parent too*/
+    /*Send a Call the ancestor's event handler to the parent too*/
     if(parent != NULL) lv_event_send(parent, LV_EVENT_CHILD_CHANGED, obj);
 
     /*Invalidate the new area*/
diff --git a/src/core/lv_obj_tree.c b/src/core/lv_obj_tree.c
index 7f213f267..555facc65 100644
--- a/src/core/lv_obj_tree.c
+++ b/src/core/lv_obj_tree.c
@@ -64,7 +64,7 @@ void lv_obj_del(lv_obj_t * obj)
 
     obj_del_core(obj);
 
-    /*Send a signal to the parent to notify it about the child delete*/
+    /*Send a Call the ancestor's event handler to the parent to notify it about the child delete*/
     if(par) {
         /*Just to remove scroll animations if any*/
         lv_obj_scroll_to(par, 0, 0, LV_ANIM_OFF);
diff --git a/src/extra/widgets/colorwheel/lv_colorwheel.c b/src/extra/widgets/colorwheel/lv_colorwheel.c
index a4d77a0f0..3f335737d 100644
--- a/src/extra/widgets/colorwheel/lv_colorwheel.c
+++ b/src/extra/widgets/colorwheel/lv_colorwheel.c
@@ -338,7 +338,7 @@ static lv_area_t get_knob_area(lv_obj_t * obj)
 
 static void lv_colorwheel_event(lv_obj_t * obj, lv_event_t e)
 {
-    /*Include the ancient signal function*/
+    /*Call the ancestor's event handler*/
     lv_res_t res = lv_obj_event_base(MY_CLASS, obj, e);
 
     if(res != LV_RES_OK) return;
diff --git a/src/extra/widgets/led/lv_led.c b/src/extra/widgets/led/lv_led.c
index 897feed1c..ef1f6c38e 100644
--- a/src/extra/widgets/led/lv_led.c
+++ b/src/extra/widgets/led/lv_led.c
@@ -164,7 +164,7 @@ static void lv_led_event(lv_obj_t * obj, lv_event_t e)
 {
     lv_res_t res;
 
-    /* Include the ancient signal function */
+    /* Call the ancestor's event handler */
     res = lv_obj_event_base(MY_CLASS, obj, e);
     if(res != LV_RES_OK) return;
 
diff --git a/src/extra/widgets/spinbox/lv_spinbox.c b/src/extra/widgets/spinbox/lv_spinbox.c
index 3ffc5d48c..f7c5589eb 100644
--- a/src/extra/widgets/spinbox/lv_spinbox.c
+++ b/src/extra/widgets/spinbox/lv_spinbox.c
@@ -303,7 +303,7 @@ static void lv_spinbox_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 
 static void lv_spinbox_event(lv_obj_t * obj, lv_event_t e)
 {
-    /*Include the ancient signal function*/
+    /*Call the ancestor's event handler*/
     lv_res_t res = LV_RES_OK;
     res = lv_obj_event_base(MY_CLASS, obj, e);
     if(res != LV_RES_OK) return;
diff --git a/src/widgets/lv_arc.c b/src/widgets/lv_arc.c
index 17e1c8865..e78cf258e 100644
--- a/src/widgets/lv_arc.c
+++ b/src/widgets/lv_arc.c
@@ -533,7 +533,7 @@ static void lv_arc_event(lv_obj_t * obj, lv_event_t e)
 {
     lv_res_t res;
 
-    /*Include the ancient signal function*/
+    /*Call the ancestor's event handler*/
     res = lv_obj_event_base(MY_CLASS, obj, e);
     if(res != LV_RES_OK) return;
 
diff --git a/src/widgets/lv_bar.c b/src/widgets/lv_bar.c
index 40fb357b0..5e96b496a 100644
--- a/src/widgets/lv_bar.c
+++ b/src/widgets/lv_bar.c
@@ -489,7 +489,7 @@ static void lv_bar_event(lv_obj_t * obj, lv_event_t e)
     LV_ASSERT_OBJ(obj, MY_CLASS);
     lv_res_t res;
 
-    /*Include the ancient signal function*/
+    /*Call the ancestor's event handler*/
     res = lv_obj_event_base(MY_CLASS, obj, e);
     if(res != LV_RES_OK) return;
 
diff --git a/src/widgets/lv_btnmatrix.c b/src/widgets/lv_btnmatrix.c
index a64da0a9a..bc049af9d 100644
--- a/src/widgets/lv_btnmatrix.c
+++ b/src/widgets/lv_btnmatrix.c
@@ -393,7 +393,7 @@ static void lv_btnmatrix_event(lv_obj_t * obj, lv_event_t e)
 {
     lv_res_t res;
 
-    /*Include the ancient signal function*/
+    /*Call the ancestor's event handler*/
     res = lv_obj_event_base(MY_CLASS, obj, e);
     if(res != LV_RES_OK) return;
 
diff --git a/src/widgets/lv_chart.c b/src/widgets/lv_chart.c
index 5dcdfd474..b4891b4ff 100644
--- a/src/widgets/lv_chart.c
+++ b/src/widgets/lv_chart.c
@@ -619,7 +619,7 @@ static void lv_chart_destructor(lv_obj_t * obj)
 
 static void lv_chart_event(lv_obj_t * obj, lv_event_t e)
 {
-    /*Include the ancient signal function*/
+    /*Call the ancestor's event handler*/
     lv_res_t res;
 
     res = lv_obj_event_base(MY_CLASS, obj, e);
diff --git a/src/widgets/lv_checkbox.c b/src/widgets/lv_checkbox.c
index 17fc609a8..f20690fdd 100644
--- a/src/widgets/lv_checkbox.c
+++ b/src/widgets/lv_checkbox.c
@@ -141,7 +141,7 @@ static void lv_checkbox_destructor(lv_obj_t * obj)
 static void lv_checkbox_event(lv_obj_t * obj, lv_event_t e)
 {
     lv_res_t res;
-    /*Include the ancient signal function*/
+    /*Call the ancestor's event handler*/
     res = lv_obj_event_base(MY_CLASS, obj, e);
     if(res != LV_RES_OK) return;
 
diff --git a/src/widgets/lv_dropdown.c b/src/widgets/lv_dropdown.c
index ad8e6571e..96a80100e 100644
--- a/src/widgets/lv_dropdown.c
+++ b/src/widgets/lv_dropdown.c
@@ -613,7 +613,7 @@ static void lv_dropdown_event(lv_obj_t * obj, lv_event_t e)
 {
     lv_res_t res;
 
-    /*Include the ancient signal function*/
+    /*Call the ancestor's event handler*/
     res = lv_obj_event_base(MY_CLASS, obj, e);
     if(res != LV_RES_OK) return;
 
@@ -705,7 +705,7 @@ static void lv_dropdown_list_event(lv_obj_t * list, lv_event_t e)
 {
     lv_res_t res;
 
-    /*Include the ancient signal function*/
+    /*Call the ancestor's event handler*/
     res = lv_obj_event_base(MY_CLASS_LIST, list, e);
     if(res != LV_RES_OK) return;
 
diff --git a/src/widgets/lv_img.c b/src/widgets/lv_img.c
index 9e8d96ff9..833e65079 100644
--- a/src/widgets/lv_img.c
+++ b/src/widgets/lv_img.c
@@ -413,7 +413,7 @@ static void lv_img_event(lv_obj_t * obj, lv_event_t e)
 {
     /*Ancestor events will be called during drawing*/
     if(e != LV_EVENT_DRAW_MAIN && e != LV_EVENT_DRAW_POST) {
-        /*Include the ancient signal function*/
+        /*Call the ancestor's event handler*/
         lv_res_t res = lv_obj_event_base(MY_CLASS, obj, e);
         if(res != LV_RES_OK) return;
     }
diff --git a/src/widgets/lv_label.c b/src/widgets/lv_label.c
index 8bbc9324a..49ef9b57e 100644
--- a/src/widgets/lv_label.c
+++ b/src/widgets/lv_label.c
@@ -741,7 +741,7 @@ static void lv_label_event_cb(lv_obj_t * obj, lv_event_t e)
 {
     lv_res_t res;
 
-    /*Include the ancient signal function*/
+    /*Call the ancestor's event handler*/
     res = lv_obj_event_base(MY_CLASS, obj, e);
     if(res != LV_RES_OK) return;
 
diff --git a/src/widgets/lv_line.c b/src/widgets/lv_line.c
index 8599dfdd1..1589d6fe7 100644
--- a/src/widgets/lv_line.c
+++ b/src/widgets/lv_line.c
@@ -132,7 +132,7 @@ static void lv_line_event(lv_obj_t * obj, lv_event_t e)
 {
     lv_res_t res;
 
-    /*Include the ancient signal function*/
+    /*Call the ancestor's event handler*/
     res = lv_obj_event_base(MY_CLASS, obj, e);
     if(res != LV_RES_OK) return;
 
diff --git a/src/widgets/lv_objx_templ.c b/src/widgets/lv_objx_templ.c
index 2b9875bc2..6b36d1d9b 100644
--- a/src/widgets/lv_objx_templ.c
+++ b/src/widgets/lv_objx_templ.c
@@ -220,7 +220,7 @@ static lv_res_t lv_templ_signal(lv_obj_t * templ, lv_signal_t sign, void * param
 {
     lv_res_t res;
 
-    /*Include the ancient signal function*/
+    /*Call the ancestor's event handler*/
     res = ancestor_signal(templ, sign, param);
     if(res != LV_RES_OK) return res;
     if(sign == LV_SIGNAL_GET_TYPE) return lv_obj_handle_get_type_signal(param, MY_CLASS);
diff --git a/src/widgets/lv_roller.c b/src/widgets/lv_roller.c
index 9b80d65e8..d34c425e4 100644
--- a/src/widgets/lv_roller.c
+++ b/src/widgets/lv_roller.c
@@ -149,7 +149,7 @@ void lv_roller_set_selected(lv_obj_t * obj, uint16_t sel_opt, lv_anim_enable_t a
     LV_ASSERT_OBJ(obj, MY_CLASS);
 
     /*Set the value even if it's the same as the current value because
-     *if moving to the next option with an animation which was just deleted in the PRESS signal
+     *if moving to the next option with an animation which was just deleted in the PRESS Call the ancestor's event handler
      *nothing will continue the animation.*/
 
     lv_roller_t * roller = (lv_roller_t*)obj;
@@ -317,7 +317,7 @@ static void lv_roller_event(lv_obj_t * obj, lv_event_t e)
 {
     lv_res_t res;
 
-    /*Include the ancient signal function*/
+    /*Call the ancestor's event handler*/
     res = lv_obj_event_base(MY_CLASS, obj, e);
     if(res != LV_RES_OK) return;
 
@@ -419,7 +419,7 @@ static void lv_roller_label_event(lv_obj_t * label, lv_event_t e)
 
     /*LV_EVENT_DRAW_MAIN will be called in the draw function*/
     if(e != LV_EVENT_DRAW_MAIN) {
-        /* Include the ancient signal function */
+        /* Call the ancestor's event handler */
         res = lv_obj_event_base(MY_CLASS_LABEL, label, e);
         if(res != LV_RES_OK) return;
     }
diff --git a/src/widgets/lv_slider.c b/src/widgets/lv_slider.c
index 566b80163..20c4afca5 100644
--- a/src/widgets/lv_slider.c
+++ b/src/widgets/lv_slider.c
@@ -100,7 +100,7 @@ static void lv_slider_event(lv_obj_t * obj, lv_event_t e)
 {
     lv_res_t res;
 
-    /*Include the ancient signal function*/
+    /*Call the ancestor's event handler*/
     res = lv_obj_event_base(MY_CLASS, obj, e);
     if(res != LV_RES_OK) return;
 
diff --git a/src/widgets/lv_switch.c b/src/widgets/lv_switch.c
index 22dbbb7af..9ce7cde86 100644
--- a/src/widgets/lv_switch.c
+++ b/src/widgets/lv_switch.c
@@ -90,7 +90,7 @@ static void lv_switch_event(lv_obj_t * obj, lv_event_t e)
 {
     lv_res_t res;
 
-    /*Include the ancient signal function*/
+    /*Call the ancestor's event handler*/
     res = lv_obj_event_base(MY_CLASS, obj, e);
     if(res != LV_RES_OK) return;
 
diff --git a/src/widgets/lv_table.c b/src/widgets/lv_table.c
index c120e038e..1dd766f86 100644
--- a/src/widgets/lv_table.c
+++ b/src/widgets/lv_table.c
@@ -450,7 +450,7 @@ static void lv_table_event(lv_obj_t * obj, lv_event_t e)
 {
     lv_res_t res;
 
-    /*Include the ancient signal function*/
+    /*Call the ancestor's event handler*/
     res = lv_obj_event_base(MY_CLASS, obj, e);
     if(res != LV_RES_OK) return;
 
diff --git a/src/widgets/lv_textarea.c b/src/widgets/lv_textarea.c
index fd4da2311..dde94d407 100644
--- a/src/widgets/lv_textarea.c
+++ b/src/widgets/lv_textarea.c
@@ -1023,7 +1023,7 @@ static void lv_textarea_destructor(lv_obj_t * obj)
 static void lv_textarea_event(lv_obj_t * obj, lv_event_t e)
 {
     lv_res_t res;
-    /*Include the ancient signal function*/
+    /*Call the ancestor's event handler*/
     res = lv_obj_event_base(MY_CLASS, obj, e);
     if(res != LV_RES_OK) return;