diff --git a/Source/SocketIO/Client/SocketIOClientSpec.swift b/Source/SocketIO/Client/SocketIOClientSpec.swift
index 68e9c59..a514637 100644
--- a/Source/SocketIO/Client/SocketIOClientSpec.swift
+++ b/Source/SocketIO/Client/SocketIOClientSpec.swift
@@ -24,6 +24,8 @@
 
 import Dispatch
 
+
+/// Defines the interface for a SocketIOClient.
 protocol SocketIOClientSpec : class {
     /// The queue that all interaction with the client must be on.
     var handleQueue: DispatchQueue { get set }
diff --git a/Source/SocketIO/Parse/SocketParsable.swift b/Source/SocketIO/Parse/SocketParsable.swift
index d99d0c1..137491a 100644
--- a/Source/SocketIO/Parse/SocketParsable.swift
+++ b/Source/SocketIO/Parse/SocketParsable.swift
@@ -22,8 +22,20 @@
 
 import Foundation
 
+/// Defines that a type will be able to parse socket.io-protocol messages.
 protocol SocketParsable {
+    /// Called when the engine has received some binary data that should be attached to a packet.
+    ///
+    /// Packets binary data should be sent directly after the packet that expects it, so there's confusion over
+    /// where the data should go. Data should be received in the order it is sent, so that the correct data is put
+    /// into the correct placeholder.
+    ///
+    /// - parameter data: The data that should be attached to a packet.
     func parseBinaryData(_ data: Data)
+
+    /// Called when the engine has received a string that should be parsed into a socket.io packet.
+    ///
+    /// - parameter message: The string that needs parsing.
     func parseSocketMessage(_ message: String)
 }
 
@@ -133,7 +145,9 @@ extension SocketParsable where Self: SocketIOClientSpec {
         }
     }
 
-    // Parses messages recieved
+    /// Called when the engine has received a string that should be parsed into a socket.io packet.
+    ///
+    /// - parameter message: The string that needs parsing.
     func parseSocketMessage(_ message: String) {
         guard !message.isEmpty else { return }
 
@@ -150,6 +164,13 @@ extension SocketParsable where Self: SocketIOClientSpec {
         }
     }
 
+    /// Called when the engine has received some binary data that should be attached to a packet.
+    ///
+    /// Packets binary data should be sent directly after the packet that expects it, so there's confusion over
+    /// where the data should go. Data should be received in the order it is sent, so that the correct data is put
+    /// into the correct placeholder.
+    ///
+    /// - parameter data: The data that should be attached to a packet.
     func parseBinaryData(_ data: Data) {
         guard !waitingPackets.isEmpty else {
             DefaultSocketLogger.Logger.error("Got data when not remaking packet", type: "SocketParser")