diff --git a/python/ql/lib/semmle/python/frameworks/Stdlib.qll b/python/ql/lib/semmle/python/frameworks/Stdlib.qll
index 7e5d0d8ab06..1e0bd846181 100644
--- a/python/ql/lib/semmle/python/frameworks/Stdlib.qll
+++ b/python/ql/lib/semmle/python/frameworks/Stdlib.qll
@@ -4245,7 +4245,7 @@ module StdlibPrivate {
         // TODO: Once we have DictKeyContent, we need to transform that into ListElementContent
       ) and
       (
-        //Element content is mutated into list element content
+        // Element content is mutated into list element content
         output = "ReturnValue.ListElement" and
         preservesValue = true
         or