Merge pull request swiftlang#129 from zachpanz88/patch-2

cwillmor · cwillmor · commit 2a74250e600b · 2015-12-03T18:17:19.000-08:00
Fix code block formatting in OptimizationTips.rst
diff --git a/docs/OptimizationTips.rst b/docs/OptimizationTips.rst
@@ -557,6 +557,7 @@ If it makes sense to limit the adoption of protocols to classes then mark
 protocols as class-only protocols to get better runtime performance.
 
 ::
+
   protocol Pingable : class { func ping() -> Int }
 
 .. https://developer.apple.com/library/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Protocols.html
