diff --git a/tests_integrity/test_simple.py b/tests_integrity/test_simple.py
index 51c9373..22a407d 100644
--- a/tests_integrity/test_simple.py
+++ b/tests_integrity/test_simple.py
@@ -238,7 +238,7 @@ def test_not_found(self, url):
         check_url(url+"/no-page", status_code=404)
 
     def test_method_not_allowed(self, url):
-        """Tests the /internal-server-error endpoint with an disallowed
+        """Tests the /internal-server-error endpoint with a disallowed
         method."""
         check_url(url+"/internal-server-error", method="PUT", status_code=405)