diff --git a/Sources/Foundation/NSStringAPI.swift b/Sources/Foundation/NSStringAPI.swift
index d12a695564..0a7c475eed 100644
--- a/Sources/Foundation/NSStringAPI.swift
+++ b/Sources/Foundation/NSStringAPI.swift
@@ -253,7 +253,7 @@ extension String {
     ///
     /// - Parameters:
     ///   - bytes: A sequence of bytes to interpret using `encoding`.
-    ///   - encoding: The ecoding to use to interpret `bytes`.
+    ///   - encoding: The encoding to use to interpret `bytes`.
     public init?<S: Sequence>(bytes: __shared S, encoding: Encoding)
         where S.Iterator.Element == UInt8 {
             let byteArray = Array(bytes)