diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index ed93b78c..c1d08f4d 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -50,6 +50,21 @@ For general information on running the integration tests see the
 [Integration Tests page of the Module Development Guide](https://docs.ansible.com/ansible/devel/dev_guide/testing_integration.html#testing-integration),
 especially the section on configuration for cloud tests. For questions about writing tests the Ansible Kubernetes community can be found on Freenode IRC as detailed below.
 
+### Updating documentation
+
+Modules and plugins documentation is autogenerated using ``collection_prep_add_docs`` command from [collection_prep](https://github.com/ansible-network/collection_prep) package.
+
+You can install ``collection_prep`` using
+
+    # git clone https://github.com/ansible-network/collection_prep
+    # cd collection_prep
+    # pip install .
+
+After installation, you can update documentation
+
+    # collection_prep_add_docs -p /<PATH_OF_COLLECTION>/kubernetes/core
+
+Review the changes and create a pull request using updated files.
 
 ### Code of Conduct
 The `kubernetes.core` collection follows the Ansible project's