diff --git a/tests/README b/tests/README
index 6e3fe68..f05a7d7 100644
--- a/tests/README
+++ b/tests/README
@@ -1 +1,11 @@
 Impressionist uses MiniTest
+
+tests/test_app still uses rspec. However it is going to be changed.
+
+to run tests one shoud:
+  * bundle install
+  * rails g impressionist
+  * rake db:migrate && rake db:test:prepare
+  * rake      # runs both code base tests and rails tests
+  * rake test # impressionist's tests
+  * rake spec # rails test api