diff --git a/processStanzas.go b/processStanzas.go
index 4affea6..66fa134 100644
--- a/processStanzas.go
+++ b/processStanzas.go
@@ -123,7 +123,7 @@ func processStanzas(client *xmpp.Client, muc string, mucNick string, feeds []str
 						log.Fatal("Error: Failed sending message to ", v.Remote, ": ", err)
 					}
 				}
-
+			// Reply with pong to ping requests.
 			case "ping":
 
 				reply := "pong"
@@ -142,6 +142,7 @@ func processStanzas(client *xmpp.Client, muc string, mucNick string, feeds []str
 					}
 				}
 
+			// Reply with contact address if set.
 			case "contact":
 
 				if contact == "" {