diff --git a/parser/ast/misc.go b/parser/ast/misc.go
index bffab842c1b27..dec72d3714eec 100644
--- a/parser/ast/misc.go
+++ b/parser/ast/misc.go
@@ -1113,7 +1113,7 @@ func (n *UserSpec) EncodedPassword() (string, bool) {
 }
 
 const (
-	TslNone = iota
+	TlsNone = iota
 	Ssl
 	X509
 	Cipher
@@ -1129,7 +1129,7 @@ type TLSOption struct {
 
 func (t *TLSOption) Restore(ctx *format.RestoreCtx) error {
 	switch t.Type {
-	case TslNone:
+	case TlsNone:
 		ctx.WriteKeyWord("NONE")
 	case Ssl:
 		ctx.WriteKeyWord("SSL")
diff --git a/parser/parser.go b/parser/parser.go
index f57b39baf0162..4b3488d5e72b9 100644
--- a/parser/parser.go
+++ b/parser/parser.go
@@ -19264,7 +19264,7 @@ yynewstate:
 	case 2150:
 		{
 			t := &ast.TLSOption{
-				Type: ast.TslNone,
+				Type: ast.TlsNone,
 			}
 			parser.yyVAL.item = []*ast.TLSOption{t}
 		}
diff --git a/parser/parser.y b/parser/parser.y
index 337aa0b0dc373..1fc8e1ba2b02d 100644
--- a/parser/parser.y
+++ b/parser/parser.y
@@ -11857,7 +11857,7 @@ RequireClause:
 	"REQUIRE" "NONE"
 	{
 		t := &ast.TLSOption{
-			Type: ast.TslNone,
+			Type: ast.TlsNone,
 		}
 		$$ = []*ast.TLSOption{t}
 	}