[PR #1918] Fixed typo in the Swift Package Manager README section.

README.md

@@ -122,9 +122,9 @@ github "Alamofire/Alamofire" ~> 4.3
 
 Run `carthage update` to build the framework and drag the built `Alamofire.framework` into your Xcode project.
 
-### Swift Pacakge Manager
+### Swift Package Manager
 
-The [Swift Pacakage Manager](https://swift.org/package-manager/) is a tool for automating the distribution of Swift code and is integrated into the `swift` compiler. It is in early development, but Alamofire does support its use on supported platforms. 
+The [Swift Package Manager](https://swift.org/package-manager/) is a tool for automating the distribution of Swift code and is integrated into the `swift` compiler. It is in early development, but Alamofire does support its use on supported platforms. 
 
 Once you have your Swift package set up, adding Alamofire as a dependency is as easy as adding it to the `dependencies` value of your `Package.swift`.