diff --git a/buttond.py b/buttond.py
index d2743f7..5aaded3 100755
--- a/buttond.py
+++ b/buttond.py
@@ -79,3 +79,6 @@ if __name__ == '__main__':
         pause()
     except KeyboardInterrupt:
         print()
+else:
+    # indicate prefered method of sleeping when laoded as a module
+    print('call signal.pause() instead of time.sleep()')