diff --git a/contributor_docs/documentation_style_guide.md b/contributor_docs/documentation_style_guide.md
index 50d10c4084..76d52c12d1 100644
--- a/contributor_docs/documentation_style_guide.md
+++ b/contributor_docs/documentation_style_guide.md
@@ -664,6 +664,7 @@ function mouseIsOnLeft() {
   }
 }
 
+// Good.
 function mouseIsOnLeft() {
   if (mouseX < width * 0.5) {
     return true;