diff --git a/pyhoca-gui.spec b/pyhoca-gui.spec
index 57189fd..16bd4f0 100644
--- a/pyhoca-gui.spec
+++ b/pyhoca-gui.spec
@@ -7,6 +7,8 @@ Group:          Applications/Communications
 License:        AGPLv3+
 URL:            http://www.x2go.org/
 Source0:        http://code.x2go.org/releases/source/%{name}/%{name}-%{version}.tar.gz
+# Fix python3 issues not handled by 2to3
+# http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1286
 Patch0:         pyhoca-gui-file.patch
 Patch1:         pyhoca-gui-mro.patch