[HttpClient] add note about getInfo(debug)

nicolas-grekas · nicolas-grekas · commit 01be867c721c · 2019-05-30T17:45:04.000+02:00
diff --git a/components/http_client.rst b/components/http_client.rst
@@ -265,6 +265,9 @@ following methods::
     // you can get individual info too
     $startTime = $response->getInfo('start_time');
 
+.. tip::
+    Call ``$response->getInfo('debug')`` to get detailed logs about the HTTP transaction.
+
 .. _http-client-streaming-responses:
 
 Streaming Responses
