diff --git a/site/content/en/docs/manual/basics/authorization.md b/site/content/en/docs/manual/basics/authorization.md
index cdd44bc0..29ae3b13 100644
--- a/site/content/en/docs/manual/basics/authorization.md
+++ b/site/content/en/docs/manual/basics/authorization.md
@@ -4,7 +4,8 @@ linkTitle: 'Authorization'
 weight: 1
 ---
 
-- First of all, you have to log in to CVAT tool.
+- First of all, you have to log in to CVAT tool. For authentication, you can use your username or email
+  you provided during registration.
 
   ![](/images/image001.jpg)
 
@@ -28,6 +29,10 @@ weight: 1
 
   ![](/images/image003.jpg)
 
+  A username generates from the email automatically. It can be edited if needed.
+
+  ![](/images/filling_email.gif)
+
 ### Administration panel
 
 Go to the [Django administration panel](http://localhost:8080/admin). There you can:
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