diff --git a/README.md b/README.md
index 1d255eb..6be085b 100644
--- a/README.md
+++ b/README.md
@@ -220,6 +220,7 @@ warningCode = 0
 [rule.superfluous-else]
 [rule.unused-parameter]
 [rule.unreachable-code]
+[rule.redefines-builtin-id]
 ```
 
 ## Available Rules