diff --git a/Ast/include/Luau/Parser.h b/Ast/include/Luau/Parser.h
index 8267bc17..478d5618 100644
--- a/Ast/include/Luau/Parser.h
+++ b/Ast/include/Luau/Parser.h
@@ -228,7 +228,7 @@ private:
     // TODO: Add grammar rules here?
     AstExpr* parseIfElseExpr();
 
-    // INTERP TODO: Grammar
+    // stringinterp ::= <INTERP_BEGIN> exp {<INTERP_MID> exp} <INTERP_END>
     AstExpr* parseInterpString();
 
     // Name