diff --git a/SocketIOClientSwift/SocketIOClient.swift b/SocketIOClientSwift/SocketIOClient.swift
index e664193..459771e 100644
--- a/SocketIOClientSwift/SocketIOClient.swift
+++ b/SocketIOClientSwift/SocketIOClient.swift
@@ -427,6 +427,9 @@ public final class SocketIOClient: NSObject, SocketEngineClient, SocketLogClient
         handlers.append(handler)
     }
     
+    /**
+    Adds a handler for an event.
+    */
     public func onObjectiveC(event: String, callback: NormalCallbackObjectiveC) {
         SocketLogger.log("Adding handler for event: %@", client: self, args: event)