Merge pull request swiftlang#2369 from owlsnakes/patch-1

Fix typo in PeerMacros.swift

Author: ahoppen

Examples/Sources/MacroExamples/Interface/PeerMacros.swift

@@ -18,7 +18,7 @@ public macro AddAsync() = #externalMacro(module: "MacroExamplesImplementation",
 // MARK: - Add Completion Handler
 
 /// Adds a "completionHandler" variant of an async function, which creates a new
-/// task , calls thh original async function, and delivers its result to the completion
+/// task , calls the original async function, and delivers its result to the completion
 /// handler.
 @attached(peer, names: overloaded)
 public macro AddCompletionHandler() = #externalMacro(module: "MacroExamplesImplementation", type: "AddCompletionHandlerMacro")