diff --git a/python-2.7.15-2.build.sh b/python-2.7.15-2.build.sh
index 8b6c5c9..d42440d 100755
--- a/python-2.7.15-2.build.sh
+++ b/python-2.7.15-2.build.sh
@@ -212,6 +212,8 @@ unidecode >= 0.4
 configparser >= 3.5
 __CONSTRAINTS
 
+# setup.py bdist_wheel for HiCExplorer fails, but setup.py install
+# creates a working executable, so don't get confused.
 pip install HiCExplorer --constraint $BUILDDIR/such_a_lamer --no-warn-conflicts
 
 # exit 1 # final test, inhibits 'closing' on success