diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 699560820fdf..6ce9de649f4b 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -1862,7 +1862,7 @@ patternProperties:
 
   # Normal property name match without a comma
   # These should catch all node/property names without a prefix
-  "^[a-zA-Z0-9#_][a-zA-Z0-9+\\-._@]{0,63}$": true
+  "^[a-zA-Z0-9#_][a-zA-Z0-9#+\\-._@]{0,63}$": true
   "^[a-zA-Z0-9+\\-._]*@[0-9a-zA-Z,]*$": true
   "^#.*": true