diff --git a/app.js b/app.js
index f3d4f6197..ec3320e99 100644
--- a/app.js
+++ b/app.js
@@ -406,6 +406,9 @@ function dump(elem, filename){
     return false;
 }
 
+/*
+ * Appends the given message to the chat conversation.
+ */
 function updateChatConversation(nick, message)
 {
     var divClassName = '';