--- a/ansible.rst	Tue Aug 25 09:49:47 2020 +0300
+++ b/ansible.rst	Wed Aug 26 13:05:52 2020 +0300
@@ -49,3 +49,19 @@
   Network Debug and Troubleshooting Guide.
 https://stackoverflow.com/questions/42417079/how-to-debug-ansible-issues
   How to debug Ansible issues?
+
+Bash completion
+===============
+
+https://github.com/ansible/ansible/issues/36397
+  Provide bash-completion script for ansible commands.
+https://docs.ansible.com/ansible/devel/installation_guide/intro_installation.html#shell-completion
+  As of Ansible 2.9 shell completion of the ansible command line utilities is available and provided
+  through an optional dependency called argcomplete.
+
+Ansible language
+================
+
+https://docs.ansible.com/ansible/latest/user_guide/playbooks_module_defaults.html
+  Module defaults.
+