diff --git a/lang/ast/util.go b/lang/ast/util.go
index 7507f973..10d5dc66 100644
--- a/lang/ast/util.go
+++ b/lang/ast/util.go
@@ -674,7 +674,7 @@ func (obj *Textarea) HighlightText() string {
 		return ""
 	}
 
-	result.WriteString("\n--\n")
+	result.WriteString("\n\n")
 
 	if obj.startLine == obj.endLine {
 		line := lines[obj.startLine] + "\n"