diff --git a/app/src/processing/app/SketchCode.java b/app/src/processing/app/SketchCode.java
index f51f142f4..299b9373a 100644
--- a/app/src/processing/app/SketchCode.java
+++ b/app/src/processing/app/SketchCode.java
@@ -156,6 +156,7 @@ public class SketchCode {
   }
 
 
+  /** No dots! */
   public boolean isExtension(String what) {
     return extension.equals(what);
   }