diff --git a/cocos/base/CCScheduler.h b/cocos/base/CCScheduler.h
index dfba4c4270..5bb91b397a 100644
--- a/cocos/base/CCScheduler.h
+++ b/cocos/base/CCScheduler.h
@@ -348,7 +348,7 @@ public:
     
 #if CC_ENABLE_SCRIPT_BINDING
     /** Unschedule a script entry. 
-     * @warn Don't invoke this function unless you know what you are doing.
+     * @warning Don't invoke this function unless you know what you are doing.
      * @js NA
      * @lua NA
      */
diff --git a/cocos/network/HttpAsynConnection.m b/cocos/network/HttpAsynConnection.m
index a9177d7805..3ad078c892 100755
--- a/cocos/network/HttpAsynConnection.m
+++ b/cocos/network/HttpAsynConnection.m
@@ -102,13 +102,13 @@
         self.statusString = @"OK";
  
     /*The individual values of the numeric status codes defined for HTTP/1.1
-    | “200”  ; OK
-    | “201”  ; Created
-    | “202”  ; Accepted
-    | “203”  ; Non-Authoritative Information
-    | “204”  ; No Content
-    | “205”  ; Reset Content
-    | “206”  ; Partial Content
+    | "200"  ; OK
+    | "201"  ; Created
+    | "202"  ; Accepted
+    | "203"  ; Non-Authoritative Information
+    | "204"  ; No Content
+    | "205"  ; Reset Content
+    | "206"  ; Partial Content
     */
     if (responseCode < 200 || responseCode >= 300)
     {// something went wrong, abort the whole thing
diff --git a/cocos/physics/CCPhysicsJoint.h b/cocos/physics/CCPhysicsJoint.h
index 557d69f8ac..b0359076d8 100644
--- a/cocos/physics/CCPhysicsJoint.h
+++ b/cocos/physics/CCPhysicsJoint.h
@@ -471,7 +471,7 @@ public:
      @param a A is the body to connect.
      @param b B is the body to connect.
      @param phase Phase is the initial offset to use when deciding where the ratchet angles are.
-     @param ratchet Ratchet is the distance between “clicks”.
+     @param ratchet Ratchet is the distance between "clicks".
      @return A object pointer.
      */
     static PhysicsJointRatchet* construct(PhysicsBody* a, PhysicsBody* b, float phase, float ratchet);
@@ -488,10 +488,10 @@ public:
     /** Set the initial offset.*/
     void setPhase(float phase);
     
-    /** Get the distance between “clicks”.*/
+    /** Get the distance between "clicks".*/
     float getRatchet() const;
 
-    /** Set the distance between “clicks”.*/
+    /** Set the distance between "clicks".*/
     void setRatchet(float ratchet);
     virtual bool createConstraints() override;