Fix documentation

Author: nuclearace

Source/SocketIO/Manager/SocketManager.swift

@@ -46,7 +46,7 @@ import Foundation
 open class SocketManager : NSObject, SocketManagerSpec, SocketParsable, SocketDataBufferable, ConfigSettable {
     private static let logType = "SocketManager"
 
-    // MARK Properties
+    // MARK: Properties
 
     /// The socket associated with the default namespace ("/").
     public var defaultSocket: SocketIOClient {
@@ -125,6 +125,8 @@ open class SocketManager : NSObject, SocketManagerSpec, SocketParsable, SocketDa
     private var currentReconnectAttempt = 0
     private var reconnecting = false
 
+    // MARK: Initializers
+
     /// Type safe way to create a new SocketIOClient. `opts` can be omitted.
     ///
     /// - parameter socketURL: The url of the socket.io server.