diff --git a/modules/message_filter.py b/modules/message_filter.py
index d1c0f742..75070662 100644
--- a/modules/message_filter.py
+++ b/modules/message_filter.py
@@ -72,7 +72,7 @@ class Module(ModuleManager.BaseModule):
         :usage: remove <index>
         :permission: cfilter
         """
-        # mark output as "assured" to it can bypass filtering
+        # mark output as "assured" so it can bypass filtering
         event["stdout"].assure()
         event["stderr"].assure()