diff --git a/README.md b/README.md
index 39228e8e..cd65bf24 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 <!-- Required extensions: pymdownx.betterem, pymdownx.tilde, pymdownx.emoji, pymdownx.tasklist, pymdownx.superfences -->
 
-> Please refer to the online [documentation](https://libmdbx.dqdkfa.ru)
+> Please refer to the online [official libmdbx documentation site](https://libmdbx.dqdkfa.ru)
 > with [`C` API description](https://libmdbx.dqdkfa.ru/group__c__api.html)
 > and pay attention to the [`C++` API](https://gitflic.ru/project/erthink/libmdbx/blob?file=mdbx.h%2B%2B#line-num-1).
 
diff --git a/docs/_toc.md b/docs/_toc.md
index 46b489ec..b738f09d 100644
--- a/docs/_toc.md
+++ b/docs/_toc.md
@@ -1,4 +1,4 @@
-The source code is availale on [Gitflic](https://gitflic.ru/project/erthink/libmdbx).
+The source code is availale on [Gitflic](https://gitflic.ru/project/erthink/libmdbx) and mirrors on [abf.io](https://abf.io/erthink/libmdbx), [hub.mos.ru](https://hub.mos.ru/leo/libmdbx) and [Github](https://github.com/erthink/libmdbx).
 Donations are welcome to ETH `0xD104d8f8B2dC312aaD74899F83EBf3EEBDC1EA3A`.
 Всё будет хорошо!