diff --git a/README.md b/README.md
index 72cf4ac..317bcc7 100644
--- a/README.md
+++ b/README.md
@@ -116,7 +116,9 @@ When debugging, make sure to prepend `::Kernel` to any calls such as `puts` as o
 In case, you're looking to use breakpoints for debugging purposes - it's better to use `pry`. Just make sure to [change pbbuilder superclass from `ProxyObject/BasicObject` to `Object`](lib/pbbuilder/pbbuilder.rb).
 
 ## Testing
-Running `bundle exec appraisal rake test` locally will run entire testsuit with all version of rails. To run tests only for certain rails version do the following `bundle exec appraisal rails-7-0 rake test`
+Running `bundle exec appraisal rake test` locally will run entire testsuit with all version of rails. To run tests only for certain rails version do the following `bundle exec appraisal rails-7-0 rake test` or for all with `bundle exec appraisal rake test`.
+
+You might meed to run `bundle exec appraisal install` to retrieve all dependencies.
 
 To run only one tests from file - use `m` utility. Like this:
 `bundle exec appraisal rails-7-0 m test/pbbuilder_template_test.rb:182`