diff --git a/src/common/helpers.py b/src/common/helpers.py
index 7bbc51c59..d2c481691 100644
--- a/src/common/helpers.py
+++ b/src/common/helpers.py
@@ -25,7 +25,7 @@ import gajim
 from common import i18n
 
 try:
-	import winsound
+	import winsound # windows-only built-in module for playing wav
 except:
 	pass