Merge pull request #1 from ilCleme/master

Fix documentation

docs/API_Coinmarketcap.md

@@ -4,14 +4,15 @@ In this time this gateway permit to send request to coinmarketcap.
 The send method of this gateway permits to pass three parameters: 
 - the endpoint;
 - the method of HTTP request;
-- an array of parameters;
+- an array of parameters, all parameter to be send trough the query string need to be insert in 'query' index of array;
 
 The parameter array need to be populate with the right value for every single endpoints.
 Here there is an example
 
 ```php
    $manager = $this->app['cryptocurrencies.manager'];
    $coinmarketcapGateway = $manager->getGateway('coinmarketcap');
+   //set any type of endpoints, set the right parameter to it
    $result = $coinmarketcapGateway->send('/v1/cryptocurrency/info', 'GET', ['query' => ['id' => '1,2']]);
 
    return $result;