Merge pull request #6594 from tabreturn/patch-1

Insert missing "Good." comment

Author: limzykenneth

contributor_docs/documentation_style_guide.md

@@ -664,6 +664,7 @@ function mouseIsOnLeft() {
   }
 }
 
+// Good.
 function mouseIsOnLeft() {
   if (mouseX < width * 0.5) {
     return true;