diff --git a/Sources/CodeEditSourceEditor/Controller/TextViewController+TextViewDelegate.swift b/Sources/CodeEditSourceEditor/Controller/TextViewController+TextViewDelegate.swift
index ec5f82439..ee94477fe 100644
--- a/Sources/CodeEditSourceEditor/Controller/TextViewController+TextViewDelegate.swift
+++ b/Sources/CodeEditSourceEditor/Controller/TextViewController+TextViewDelegate.swift
@@ -18,7 +18,7 @@ extension TextViewController: TextViewDelegate {
         }
     }
 
-    public func textView(_ textView: TextView, didReplaceContentsIn range: NSRange, with: String) {
+    public func textView(_ textView: TextView, didReplaceContentsIn range: NSRange, with string: String) {
         gutterView.needsDisplay = true
         for coordinator in self.textCoordinators.values() {
             if let coordinator = coordinator as? TextViewDelegate {