diff --git a/spec/classes.md b/spec/classes.md
index b360211b99..4ee255baaa 100644
--- a/spec/classes.md
+++ b/spec/classes.md
@@ -3532,7 +3532,7 @@ binary_operator_declarator
 
 overloadable_binary_operator
     : '+'   | '-'   | '*'   | '/'   | '%'   | '&'   | '|'   | '^'   | '<<'
-    | 'right_shift' | '=='  | '!='  | '>'   | '<'   | '>='  | '<='
+    | right_shift | '=='  | '!='  | '>'   | '<'   | '>='  | '<='
     ;
 
 conversion_operator_declarator