diff --git a/README.md b/README.md
index 4e35b18..b2a2703 100644
--- a/README.md
+++ b/README.md
@@ -13,3 +13,7 @@ docker-compose up
 ```
 
 That should be enough to get the server up and running.
+
+## Lab3 specifics
+
+Variant for functionality extension: 27 % 3 = 0 => Income accountance