diff --git a/index.md b/index.md
index c8921cd..6260c1d 100644
--- a/index.md
+++ b/index.md
@@ -20,11 +20,11 @@ Setup [certbot](https://certbot.eff.org/) Let's Encrypt client.
   * [certbot_email](#certbot_email)
   * [certbot_log_dir](#certbot_log_dir)
   * [certbot_packages_extra](#certbot_packages_extra)
-  * [certbot_pip](#certbot_pip)
   * [certbot_preferred_challenges](#certbot_preferred_challenges)
   * [certbot_rsa_key_size](#certbot_rsa_key_size)
   * [certbot_server](#certbot_server)
   * [certbot_user](#certbot_user)
+  * [certbot_version](#certbot_version)
   * [certbot_work_dir](#certbot_work_dir)
 * [Dependencies](#dependencies)
 
@@ -75,7 +75,7 @@ certbot_cron_enabled: true
 
 ### certbot_cron_file
 
-Use a file under /etc/cron.d but this will only work if `certbot_user`
+Use a file under /etc/cron.d but this will only work if `certbot_user` has write permissions for this location.
 
 #### Default value
 
@@ -144,14 +144,6 @@ Extra packages to install with pip (e.g. DNS plugins).
 certbot_packages_extra: []
 ```
 
-### certbot_pip
-
-#### Default value
-
-```YAML
-certbot_pip: pip{{ ansible_python.version.major }}
-```
-
 ### certbot_preferred_challenges
 
 #### Default value
@@ -184,6 +176,16 @@ certbot_server: https://acme-v02.api.letsencrypt.org/directory
 certbot_user: root
 ```
 
+### certbot_version
+
+Set a fix version of the certbot package to install.
+
+#### Default value
+
+```YAML
+certbot_version: _unset_
+```
+
 ### certbot_work_dir
 
 #### Default value