diff --git a/posts.py b/posts.py
index 4f7ff8ad..f4ee5b9b 100644
--- a/posts.py
+++ b/posts.py
@@ -657,7 +657,7 @@ def appendEventFields(newPost: {},
         newPost['sensitive'] = False
 
 
-def validContentWarnings(cw: str) -> str:
+def validContentWarning(cw: str) -> str:
     """Returns a validated content warning
     """
     cw = removeHtml(cw)