diff --git a/README.md b/README.md
index 4bca03f..be022c9 100644
--- a/README.md
+++ b/README.md
@@ -5,4 +5,5 @@ This database contains info about telegram MTProto RPC errors and localized desc
 * [Descriptions, v1 format](https://rpc.madelineproto.xyz/v1.json)
 * [Descriptions, v2 format](https://rpc.madelineproto.xyz/v2.json)
 * [Descriptions, v3 format](https://rpc.madelineproto.xyz/v3.json)
+* [Descriptions, v4 format](https://rpc.madelineproto.xyz/v4.json)
 * [Methods unavailable for bots](https://rpc.madelineproto.xyz/bot.json)