diff --git a/bin/test-cache-enabler.py b/bin/test-cache-enabler.py
index b7968aa..2a264eb 100755
--- a/bin/test-cache-enabler.py
+++ b/bin/test-cache-enabler.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 # ------------------------------------------------------------------------------
-# Tests whether the Cache Enabler by KeyCDN (WordPress) is working properly on 
+# Tests whether the Cache Enabler by KeyCDN (WordPress) is working properly on
 # the URLs given as arguments. Also takes line break separated URLs from a pipe.
 #
 # Usage: test-cache-enabler.py https://example.com [...]