diff --git a/SC2248.md b/SC2248.md
index 0c5dfa3..4ee1f30 100644
--- a/SC2248.md
+++ b/SC2248.md
@@ -1,6 +1,6 @@
-# Warn about variable references without braces.
+# Warn about double quoting even when variables don't contain special characters.
 
-This error is optional and not enabled by default. 
+This is an [[optional]] suggestion. It must be explicitly enabled with a [[directive]] `enable=quote-safe-variables` in a `# shellcheck` comment or `.shellcheckrc`
 
 ## Problematic code: