diff --git a/src/centpkg/__init__.py b/src/centpkg/__init__.py
index 704f7d7..3d3c0b6 100644
--- a/src/centpkg/__init__.py
+++ b/src/centpkg/__init__.py
@@ -38,6 +38,9 @@ class DistGitDirectory(object):
             self.signame = gd['signame']
             self.centosversion = gd['centosversion']
 
+            # Users have the option to specify (or not specify) common in their
+            # git repos. Ww need to handle these cases because common is not a
+            # project nor is it a release.
             if gd['projectname'] != 'common':
                 self.projectname = gd['projectname']
             if gd['releasename'] != 'common':