diff --git a/python-wcwidth.spec b/python-wcwidth.spec
index ad0bcef..d564c45 100644
--- a/python-wcwidth.spec
+++ b/python-wcwidth.spec
@@ -65,6 +65,7 @@ printable width of a string on a Terminal.
 %prep
 %setup -q -n %{pypi_name}-%{version}
 rm -rf %{pypi_name}.egg-info
+# As for https://github.com/jquast/wcwidth/pull/16
 sed -i -e '1 d' wcwidth/tests/test_core.py
 
 %build