tpo
diff --git a/test/lit/passes/gufa-refs.wast b/test/lit/passes/gufa-refs.wast
index 5e9b33c..0dc5eb9 100644
--- a/test/lit/passes/gufa-refs.wast
+++ b/test/lit/passes/gufa-refs.wast
@@ -3784,7 +3784,7 @@
   )
 )
 
-;; Test for exact types in globals
+;; Test for exact types in globals.
 (module
   ;; CHECK:      (type $struct (struct_subtype (field i32) data))
   (type $struct (struct_subtype (field i32) data))