diff --git a/java/com/google/gerrit/server/restapi/change/ChangeEdits.java b/java/com/google/gerrit/server/restapi/change/ChangeEdits.java
index 37a1699..826c792 100644
--- a/java/com/google/gerrit/server/restapi/change/ChangeEdits.java
+++ b/java/com/google/gerrit/server/restapi/change/ChangeEdits.java
@@ -119,6 +119,12 @@
     return post;
   }
 
+  /**
+   * This method is invoked if a DELETE request on a non-existing member is done. For change edits
+   * this is the case if a DELETE request for a file in a change edit is done and the change edit
+   * doesn't exist yet (and hence the parse method returned ResourceNotFoundException). In this case
+   * we want to create the change edit on the fly and delete the file with the given id in it.
+   */
   @Override
   public DeleteFile delete(ChangeResource parent, IdString id) throws RestApiException {
     // It's safe to assume that id can never be null, because