diff --git a/samples/HelloCpp/proj.linux/main.cpp b/samples/HelloCpp/proj.linux/main.cpp
index 876c63d567..cc5c57f916 100644
--- a/samples/HelloCpp/proj.linux/main.cpp
+++ b/samples/HelloCpp/proj.linux/main.cpp
@@ -31,7 +31,7 @@ int main(int argc, char **argv)
     CCEGLView* eglView = CCEGLView::sharedOpenGLView();
     eglView->setFrameSize(2048, 1536);
     // The resolution of ipad3 is very large. In general, PC's resolution is smaller than it.
-    // So we need to invoke 'setFrameZoom'(only valid on desktop(win32, mac, linux)) to make the window smaller.
+    // So we need to invoke 'setFrameZoomFactor'(only valid on desktop(win32, mac, linux)) to make the window smaller.
     eglView->setFrameZoomFactor(0.4f);
     return CCApplication::sharedApplication()->run();
 }
diff --git a/samples/HelloCpp/proj.win32/main.cpp b/samples/HelloCpp/proj.win32/main.cpp
index 42d4978482..f30eb9eff1 100644
--- a/samples/HelloCpp/proj.win32/main.cpp
+++ b/samples/HelloCpp/proj.win32/main.cpp
@@ -17,7 +17,7 @@ int APIENTRY _tWinMain(HINSTANCE hInstance,
     CCEGLView* eglView = CCEGLView::sharedOpenGLView();
     eglView->setFrameSize(2048, 1536);
     // The resolution of ipad3 is very large. In general, PC's resolution is smaller than it.
-    // So we need to invoke 'setFrameZoom'(only valid on desktop(win32, mac, linux)) to make the window smaller.
+    // So we need to invoke 'setFrameZoomFactor'(only valid on desktop(win32, mac, linux)) to make the window smaller.
     eglView->setFrameZoomFactor(0.4f);
     return CCApplication::sharedApplication()->run();
 }