diff --git a/requirements.txt b/requirements.txt
index 7f9e4f739..19f59fdee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,5 @@ argcomplete
 #pytest
 #pyftpdlib
 # for building on osx:
-#py2app
+#py2app is used
+#these are used to make effective projects