diff --git a/config.yml b/config.yml
index 0f50f30b94..5b72024863 100644
--- a/config.yml
+++ b/config.yml
@@ -1123,6 +1123,11 @@ nodes:
     fields:
       - name: name
         type: constant
+        comment: |
+          The name of the block local variable.
+
+              a { |; b| } # name `:b`
+                     ^
     comment: |
       Represents a block local variable.