diff --git a/cocos2dx/CCScheduler.h b/cocos2dx/CCScheduler.h
index d342ca65e3..af3ed28958 100644
--- a/cocos2dx/CCScheduler.h
+++ b/cocos2dx/CCScheduler.h
@@ -142,7 +142,7 @@ public:
 
     /** The scheduled method will be called every 'interval' seconds.
      If paused is YES, then it won't be called until it is resumed.
-     If 'interval' is 0, it will be called every frame, but if so, it recommended to use 'scheduleUpdateForTarget:' instead.
+     If 'interval' is 0, it will be called every frame, but if so, it's recommended to use 'scheduleUpdateForTarget:' instead.
      If the selector is already scheduled, then only the interval parameter will be updated without re-scheduling it again.
      repeat let the action be repeated repeat + 1 times, use kCCRepeatForever to let the action run continuously
      delay is the amount of time the action will wait before it'll start
diff --git a/cocos2dx/actions/CCAction.h b/cocos2dx/actions/CCAction.h
index 1e897146f3..3f9375a1c6 100644
--- a/cocos2dx/actions/CCAction.h
+++ b/cocos2dx/actions/CCAction.h
@@ -234,7 +234,7 @@ public:
 public:
     /** creates the action with a set boundary,
         It will work with no boundary if @param rect is equal to CCRectZero.
-    @deprecated: Please use create(CCNode*, const CCRect&) intead. This interface will be deprecated sooner or later.
+    @deprecated: Please use create(CCNode*, const CCRect&) instead. This interface will be deprecated sooner or later.
     */
     CC_DEPRECATED_ATTRIBUTE static CCFollow* actionWithTarget(CCNode *pFollowedNode, const CCRect& rect = CCRectZero);
     /** creates the action with a set boundary,
diff --git a/cocos2dx/actions/CCActionCatmullRom.cpp b/cocos2dx/actions/CCActionCatmullRom.cpp
index 632cd160a6..6c06f8be59 100644
--- a/cocos2dx/actions/CCActionCatmullRom.cpp
+++ b/cocos2dx/actions/CCActionCatmullRom.cpp
@@ -26,7 +26,7 @@
  * THE SOFTWARE.
  *
  *
- * Orignal code by Radu Gruian: http://www.codeproject.com/Articles/30838/Overhauser-Catmull-Rom-Splines-for-Camera-Animatio.So
+ * Original code by Radu Gruian: http://www.codeproject.com/Articles/30838/Overhauser-Catmull-Rom-Splines-for-Camera-Animatio.So
  *
  * Adapted to cocos2d-x by Vit Valentin
  *
@@ -96,12 +96,12 @@ CCPointArray::CCPointArray() :m_pControlPoints(NULL){}
 
 void CCPointArray::addControlPoint(CCPoint controlPoint)
 {
-    // should create a new object of CCPoint
-    // because developer always use this function like this
+    // should create a new object: CCPoint
+    // because developers are accustomed to using
     // addControlPoint(ccp(x, y))
-    // passing controlPoint is a temple object
-    // and CCArray::addObject() will retain the passing object, so it 
-    // should be an object created in heap
+    // which assumes controlPoint is a temporary struct
+    // but CCArray::addObject() will retain the passed object, so temp
+    // should be an object created in the heap.
     CCPoint *temp = new CCPoint(controlPoint.x, controlPoint.y);
     m_pControlPoints->addObject(temp);
     temp->release();
@@ -109,12 +109,12 @@ void CCPointArray::addControlPoint(CCPoint controlPoint)
 
 void CCPointArray::insertControlPoint(CCPoint &controlPoint, unsigned int index)
 {
-    // should create a new object of CCPoint
-    // because developer always use this function like this
+    // should create a new object: CCPoint
+    // because developers are accustomed to using
     // insertControlPoint(ccp(x, y))
-    // passing controlPoint is a temple object
-    // and CCArray::insertObject() will retain the passing object, so it 
-    // should be an object created in heap
+    // which assumes controlPoint is a temporary struct
+    // but CCArray::insertObject() will retain the passed object, so temp
+    // should be an object created in the heap.
     CCPoint *temp = new CCPoint(controlPoint.x, controlPoint.y);
     m_pControlPoints->insertObject(temp, index);
     temp->release();
@@ -130,12 +130,12 @@ CCPoint CCPointArray::getControlPointAtIndex(unsigned int index)
 
 void CCPointArray::replaceControlPoint(cocos2d::CCPoint &controlPoint, unsigned int index)
 {
-    // should create a new object of CCPoint
-    // because developer always use this function like this
+    // should create a new object: CCPoint
+    // because developers are accustomed to using
     // replaceControlPoint(ccp(x, y))
-    // passing controlPoint is a temple object
-    // and CCArray::insertObject() will retain the passing object, so it 
-    // should be an object created in heap
+    // which assumes controlPoint is a temporary struct
+    // but CCArray::insertObject() will retain the passed object, so temp
+    // should be an object created in the heap.
     CCPoint *temp = new CCPoint(controlPoint.x, controlPoint.y);
     m_pControlPoints->replaceObjectAtIndex(index, temp);
     temp->release();