diff --git a/README.md b/README.md
index 2721c40d..3fe92ef5 100644
--- a/README.md
+++ b/README.md
@@ -31,8 +31,8 @@ src/danog/MadelineProto/
         TLMethod - Represents a TL method
     API - Wrapper class that istantiates the MTProto class, sets the error handler, and provides a wrapper for calling mtproto methods directly as class submethods
     APIFactory - Provides a wrapper for calling namespaced mtproto methods directly as class submethods
-    Connection - Handles tcp/udp/http connections and wrapping payloads generated by MTProtoTools/MessageHandler into the right message according to the protocol
-    DataCenter - Handles mtproto datacenters
+    Connection - Handles tcp/udp/http connections and wrapping payloads generated by MTProtoTools/MessageHandler into the right message according to the protocol, stores authorization keys, session id and sequence number
+    DataCenter - Handles mtproto datacenters (is a wrapper for Connection classes)
     DebugTools - Various debugging tools
     Exception - Handles exceptions in the main namespace
     MTProto - Extends MTProtoTools, handles initial connection, generation of authorization keys, istantiation of classes, writing of client info