diff --git a/cocos/ui/UIEditBox/UIEditBox.h b/cocos/ui/UIEditBox/UIEditBox.h
index bd615b682c..c4e2a91287 100644
--- a/cocos/ui/UIEditBox/UIEditBox.h
+++ b/cocos/ui/UIEditBox/UIEditBox.h
@@ -43,8 +43,8 @@ namespace ui {
     class EditBoxImpl;
         
     /**
-     *@brief Editbox delgate class.
-     * It's useful when you want to do some customization duing Editbox input event
+     *@brief Editbox delegate class.
+     * It's useful when you want to do some customization during Editbox input event
      *
      * @js NA
      * @lua NA
diff --git a/cocos/ui/UIEditBox/UIEditBoxImpl-linux.cpp b/cocos/ui/UIEditBox/UIEditBoxImpl-linux.cpp
index 210b277ed3..f4488dc9af 100644
--- a/cocos/ui/UIEditBox/UIEditBoxImpl-linux.cpp
+++ b/cocos/ui/UIEditBox/UIEditBoxImpl-linux.cpp
@@ -32,7 +32,7 @@
 #include "base/ccUTF8.h"
 #include <gtk/gtk.h>
 
-// desoty dialog when lost focus
+// destroy dialog when lost focus
 static void dialogFocusOutCallback(GtkWidget* widget, gpointer user_data)
 {
     gtk_widget_destroy(widget);
diff --git a/cocos/ui/UIEditBox/UIEditBoxImpl-mac.mm b/cocos/ui/UIEditBox/UIEditBoxImpl-mac.mm
index b5afaadf98..9d14db5a79 100644
--- a/cocos/ui/UIEditBox/UIEditBoxImpl-mac.mm
+++ b/cocos/ui/UIEditBox/UIEditBoxImpl-mac.mm
@@ -537,7 +537,7 @@ NSPoint EditBoxImplMac::convertDesignCoordToScreenCoord(const Vec2& designCoord,
     Vec2 visiblePos = Vec2(designCoord.x * eglView->getScaleX(), designCoord.y * eglView->getScaleY());
     Vec2 screenGLPos = visiblePos + eglView->getViewPortRect().origin;
     
-    //TODO: I don't know why here needs to substract `height`.
+    //TODO: I don't know why here needs to subtract `height`.
     NSPoint screenPos = NSMakePoint(screenGLPos.x, screenGLPos.y-height);
     
     if (bInRetinaMode) {
diff --git a/cocos/ui/UIHelper.h b/cocos/ui/UIHelper.h
index 1adbb4decc..021c7ad489 100644
--- a/cocos/ui/UIHelper.h
+++ b/cocos/ui/UIHelper.h
@@ -49,8 +49,8 @@ class CC_GUI_DLL Helper
 public:
     /**
      * Find a widget with a specific tag from root widget.
-     * This search will be recursive throught all child widgets.
-     * @param root      The be seached root widget.
+     * This search will be recursive through all child widgets.
+     * @param root      The be searched root widget.
      * @param tag       The widget tag.
      * @return Widget instance pointer.
      */
@@ -58,7 +58,7 @@ public:
     
     /**
      * Find a widget with a specific name from root widget.
-     * This search will be recursive throught all child widgets.
+     * This search will be recursive through all child widgets.
      *
      * @param root      The be searched root widget.
      * @param name      The widget name.
@@ -68,7 +68,7 @@ public:
     
     /**
      * Find a widget with a specific action tag from root widget
-     * This search will be recursive throught all child widgets.
+     * This search will be recursive through all child widgets.
      *@param root The be searched root widget.
      *@param tag The widget action's tag.
      *@return Widget instance pointer.
diff --git a/cocos/ui/UILayout.cpp b/cocos/ui/UILayout.cpp
index 81ae344ed5..ef05f3dd33 100644
--- a/cocos/ui/UILayout.cpp
+++ b/cocos/ui/UILayout.cpp
@@ -1045,7 +1045,7 @@ Size Layout::getLayoutAccumulatedSize()const
         }
     }
     
-    //substract extra size
+    //subtract extra size
     Type type = this->getLayoutType();
     if (type == Type::HORIZONTAL)
     {
@@ -1063,7 +1063,7 @@ Vec2 Layout::getWorldCenterPoint(Widget* widget)const
     Layout *layout = dynamic_cast<Layout*>(widget);
     //FIXEDME: we don't need to calculate the content size of layout anymore
     Size widgetSize = layout ? layout->getLayoutAccumulatedSize() :  widget->getContentSize();
-//    CCLOG("contnet size : width = %f, height = %f", widgetSize.width, widgetSize.height);
+//    CCLOG("content size : width = %f, height = %f", widgetSize.width, widgetSize.height);
     return widget->convertToWorldSpace(Vec2(widgetSize.width/2, widgetSize.height/2));
 }
 
@@ -1153,7 +1153,7 @@ int Layout::findFirstFocusEnabledWidgetIndex()
         }
         index++;
     }
-    CCASSERT(0, "invalide operation");
+    CCASSERT(0, "invalid operation");
     return 0;
 }
 
@@ -1467,7 +1467,7 @@ Widget* Layout::getPreviousFocusedWidget(FocusDirection direction, Widget *curre
         }
         else
         {
-            //handling the disabled widget, there is no actual focus lose or get, so we don't need any envet
+            //handling the disabled widget, there is no actual focus lose or get, so we don't need any event
             return this->getPreviousFocusedWidget(direction, nextWidget);
         }
     }
diff --git a/cocos/ui/UILayoutComponent.h b/cocos/ui/UILayoutComponent.h
index 769cea32b9..7cac449715 100644
--- a/cocos/ui/UILayoutComponent.h
+++ b/cocos/ui/UILayoutComponent.h
@@ -116,7 +116,7 @@ namespace ui {
 
         /**
          * Query the percent content size value.
-         *@return Percet (x,y) in Vec2.
+         *@return Percent (x,y) in Vec2.
          */
         Vec2 getPercentContentSize()const;
 
diff --git a/cocos/ui/UILayoutManager.h b/cocos/ui/UILayoutManager.h
index 8bf404bd72..28404ea712 100644
--- a/cocos/ui/UILayoutManager.h
+++ b/cocos/ui/UILayoutManager.h
@@ -43,7 +43,7 @@ class RelativeLayoutParameter;
 
 /**
  *@brief Base class for managing layout.
- * All the concret layout manager should inherit from this class.
+ * All the concrete layout manager should inherit from this class.
  */
 class CC_GUI_DLL LayoutManager : public Ref
 {
diff --git a/cocos/ui/UIListView.h b/cocos/ui/UIListView.h
index 66e48efcf1..4ff9552b89 100644
--- a/cocos/ui/UIListView.h
+++ b/cocos/ui/UIListView.h
@@ -337,7 +337,7 @@ public:
     void scrollToItem(ssize_t itemIndex, const Vec2& positionRatioInView, const Vec2& itemAnchorPoint, float timeInSec);
     
     /**
-     * @brief Query current selected widget's idnex.
+     * @brief Query current selected widget's index.
      *
      
      * @return A index of a selected item.
diff --git a/cocos/ui/UIPageView.h b/cocos/ui/UIPageView.h
index 926eb936c4..49d0906c6a 100644
--- a/cocos/ui/UIPageView.h
+++ b/cocos/ui/UIPageView.h
@@ -65,7 +65,7 @@ class CC_GUI_DLL PageView : public ListView
     
 public:
     /**
-     * Page turn event tpye.
+     * Page turn event type.
      */
     enum class EventType
     {
diff --git a/cocos/ui/UIRichText.h b/cocos/ui/UIRichText.h
index 4b918aac7d..37d24a2774 100644
--- a/cocos/ui/UIRichText.h
+++ b/cocos/ui/UIRichText.h
@@ -117,7 +117,7 @@ public:
      * @param text Content string.
      * @param fontName Content font name.
      * @param fontSize Content font size.
-     * @return True if initialize scucess, false otherwise.
+     * @return True if initialize success, false otherwise.
      */
     bool init(int tag, const Color3B& color, GLubyte opacity, const std::string& text, const std::string& fontName, float fontSize);
 
diff --git a/cocos/ui/UIScale9Sprite.cpp b/cocos/ui/UIScale9Sprite.cpp
index 1d3a60d480..f8d1398aa1 100644
--- a/cocos/ui/UIScale9Sprite.cpp
+++ b/cocos/ui/UIScale9Sprite.cpp
@@ -613,7 +613,7 @@ namespace ui {
     }
 
 /** sets the opacity.
-    @warning If the texture has premultiplied alpha then, the R, G and B channels will be modifed.
+    @warning If the texture has premultiplied alpha then, the R, G and B channels will be modified.
     Values goes from 0 to 255, where 255 means fully opaque.
 */
 
@@ -857,7 +857,7 @@ namespace ui {
 
         this->cleanupSlicedSprites();
 
-        //we must invalide the transform when toggling scale9enabled
+        //we must invalid the transform when toggling scale9enabled
         _transformUpdated = _transformDirty = _inverseDirty = true;
 
         if (_scale9Enabled)
@@ -1094,7 +1094,7 @@ namespace ui {
         auto atlasWidth = tex->getPixelsWide();
         auto atlasHeight = tex->getPixelsHigh();
 
-        //caculate texture coordinate
+        //calculate texture coordinate
         float leftWidth = 0, centerWidth = 0, rightWidth = 0;
         float topHeight = 0, centerHeight = 0, bottomHeight = 0;
 
diff --git a/cocos/ui/UIScale9Sprite.h b/cocos/ui/UIScale9Sprite.h
index 1dc5d851e9..218e0fcd5b 100644
--- a/cocos/ui/UIScale9Sprite.h
+++ b/cocos/ui/UIScale9Sprite.h
@@ -72,7 +72,7 @@ namespace ui {
         
         /**
          * Builtin shader state.
-         * Currenly support Normal and Gray state.
+         * Currently support Normal and Gray state.
          */
         enum class State
         {
@@ -427,7 +427,7 @@ namespace ui {
          * @param rect A delimitation zone.
          * @param rotated Whether the sprite is rotated or not.
          * @param offset The offset when slice the sprite.
-         * @param originalSize The origial size of the sprite.
+         * @param originalSize The original size of the sprite.
          * @param capInsets The Values to use for the cap insets.
          * @return True if update success, false otherwise.
          * @js NA
diff --git a/cocos/ui/UIScrollView.cpp b/cocos/ui/UIScrollView.cpp
index e4e5f0cf02..3cc24b17ce 100644
--- a/cocos/ui/UIScrollView.cpp
+++ b/cocos/ui/UIScrollView.cpp
@@ -455,7 +455,7 @@ void ScrollView::startAutoScroll(const Vec2& deltaMove, float timeInSec, bool at
     _autoScrollBraking = false;
     _autoScrollBrakingStartPosition = Vec2::ZERO;
     
-    // If the destination is also out of boundary of same side, start brake from beggining.
+    // If the destination is also out of boundary of same side, start brake from beginning.
     Vec2 currentOutOfBoundary = getHowMuchOutOfBoundary();
     if(currentOutOfBoundary != Vec2::ZERO)
     {
diff --git a/cocos/ui/UISlider.h b/cocos/ui/UISlider.h
index d35b514d87..70642161a0 100644
--- a/cocos/ui/UISlider.h
+++ b/cocos/ui/UISlider.h
@@ -247,7 +247,7 @@ public:
     //override "ignoreContentAdaptWithSize" method of widget.
     virtual void ignoreContentAdaptWithSize(bool ignore) override;
     
-    //override the widget's hitTest function to perfom its own
+    //override the widget's hitTest function to perform its own
     virtual bool hitTest(const Vec2 &pt, const Camera* camera, Vec3 *p) const override;
     /**
      * Returns the "class name" of widget.
diff --git a/cocos/ui/UIWidget.h b/cocos/ui/UIWidget.h
index 964dce5f2e..b06b8f0f41 100644
--- a/cocos/ui/UIWidget.h
+++ b/cocos/ui/UIWidget.h
@@ -969,14 +969,14 @@ protected:
     bool _flippedX;
     bool _flippedY;
 
-    //use map to enble switch back and forth for user layout parameters
+    //use map to enable switch back and forth for user layout parameters
     Map<int,LayoutParameter*> _layoutParameterDictionary;
     LayoutParameter::Type _layoutParameterType;
 
     bool _focused;
     bool _focusEnabled;
     /**
-     * store the only one focued widget
+     * store the only one focused widget
      */
     static Widget *_focusedWidget;  //both layout & widget will be stored in this variable