         }
     }
 
-    /// User-token header (see http://www.algolia.com/doc/guides/objc#SecurityUser for more details).
+    /// User-token header
     public var userToken: String? {
         didSet {
             if let userToken = userToken {

            "User-Agent": "Algolia for Swift \(version)"
        ]

        if let tagFilters = self.tagFilters {
            HTTPHeaders["X-Algolia-TagFilters"] = tagFilters
        }

        manager = Manager(HTTPHeaders: HTTPHeaders)
    }
    
    // Helper for Obj-C
    public class func clientWithAppID(appID: String, apiKey: String) -> Client {
        return Client(appID: appID, apiKey: apiKey)
    }
    
    // Helper for Obj-C
    public class func clientWithQueryParameters(queryParameters: String, appID: String, apiKey: String) -> Client {
        return Client(appID: appID, apiKey: apiKey, queryParameters: queryParameters)
    }

    /// Allow to set custom extra header.
