Some minor changes

- Correct comment description
- Fix flag value

src/app/ui/editor/editor.h

@@ -68,7 +68,7 @@ namespace app {
       kShowOnionskin = 4,
       kShowOutside = 8,
       kShowDecorators = 16,
-      kShowSymmetryLine = 2,
+      kShowSymmetryLine = 32,
       kDefaultEditorFlags = (kShowGrid |
                              kShowMask |
                              kShowOnionskin |

src/app/ui/editor/editor_state.h

@@ -96,7 +96,7 @@ namespace app {
     // Called when a key is released.
     virtual bool onKeyUp(Editor* editor, ui::KeyMessage* msg) { return false; }
 
-    // Called when a key is released.
+    // Called when status bar needs to be updated.
     virtual bool onUpdateStatusBar(Editor* editor) { return false; }
 
     // When a part of the sprite will be exposed.