diff --git a/parser/parser.y b/parser/parser.y
index c06c2ea900be6..9d584e33ac2d4 100644
--- a/parser/parser.y
+++ b/parser/parser.y
@@ -286,7 +286,7 @@ import (
 	DefaultKwdOpt		"optional DEFAULT keyword"
 	DefaultValueExpr	"DefaultValueExpr(Now or Signed Literal)"
 	DeleteFromStmt		"DELETE FROM statement"
-	DoStmt			"Do statementCIStr: "
+	DoStmt			"Do statement"
 	DropDatabaseStmt	"DROP DATABASE statement"
 	DropIndexStmt		"DROP INDEX statement"
 	DropTableStmt		"DROP TABLE statement"