diff --git a/README.md b/README.md
index da6c7ab..80001d9 100644
--- a/README.md
+++ b/README.md
@@ -53,8 +53,9 @@ This file provides set up codestyle rules.
 There is two targets in Makefile for debugging purposes: `build-c` for the compiler and `build-vm` for the VM.
 Each target can be called with `FILE` variable. For example:
 
-
 ```shell
 $ make debug-c FILE=exl/hw.fzs
 ```
 
+To test new features, use `test` make target and the tests, defined in `CMakeLists.txt`.
+
diff --git a/README.ru.md b/README.ru.md
index 0280ea0..875cdb5 100644
--- a/README.ru.md
+++ b/README.ru.md
@@ -57,3 +57,5 @@
 $ make debug-c FILE=exl/hw.fzs
 ```
 
+Для проверки новых фич, нужно использовать make-таргет `test`, а тесты писать в `CMakeLists.txt`.
+