Update swift.rb

Casks/s/swift.rb

@@ -3,12 +3,13 @@ cask "swift" do
   sha256 "7fc8ed6911f91f0888b4b9ec3c26df41325cb4d8c2fc588fbacd35a0be7f772b"
 
   url "https://swift.im/downloads/releases/swift-#{version}/Swift-#{version}.dmg"
-  name "Swift XMPP Client"
+  name "Swift"
+  desc "XMPP client"
   homepage "https://swift.im/"
 
   livecheck do
     url "https://swift.im/downloads/swift-stable-appcast-mac.xml"
-    strategy :sparkle, &:version
+    strategy :sparkle
   end
 
   app "Swift.app"