diff --git a/SC2057.md b/SC2057.md
index 0487c23..87ed90b 100644
--- a/SC2057.md
+++ b/SC2057.md
@@ -44,7 +44,7 @@ In bash, use `help test` to see a list of supported operators:
 
 ### Exceptions:
 
-None. If you've tested and verified that the operator works, please [submit a bug report](https://github.com/koalaman/shellcheck/issues).
+None. If you've tested and verified that the operator works but the latest version of ShellCheck says it's unknown, please [submit a bug report](https://github.com/koalaman/shellcheck/issues).
 
 ### Related resources: