diff --git a/Sources/String+Attributer.swift b/Sources/String+Attributer.swift
index 36846b6..efbce3a 100644
--- a/Sources/String+Attributer.swift
+++ b/Sources/String+Attributer.swift
@@ -295,7 +295,7 @@ public extension String {
      
      -parameter string: The string that will be added
      */
-    public func append(_ string: String) -> Attributer {
+    public func append(string: String) -> Attributer {
         return attributer.append(string)
     }