diff --git a/changelogs/fragments/445_add_service_name_to_plugin_pam_auth_pam_usage.yml b/changelogs/fragments/445_add_service_name_to_plugin_pam_auth_pam_usage.yml
new file mode 100644
index 0000000..b06c16f
--- /dev/null
+++ b/changelogs/fragments/445_add_service_name_to_plugin_pam_auth_pam_usage.yml
@@ -0,0 +1,3 @@
+---
+minor_changes:
+  - mysql_user - add plugin_auth_string as optional parameter to use a specific pam service if pam/auth_pam plugin is used.
diff --git a/plugins/modules/mysql_user.py b/plugins/modules/mysql_user.py
index 6c6acb4..ed7dde0 100644
--- a/plugins/modules/mysql_user.py
+++ b/plugins/modules/mysql_user.py
@@ -138,8 +138,7 @@ options:
   plugin_auth_string:
     description:
       - User's plugin auth_string (``CREATE USER user IDENTIFIED WITH plugin BY plugin_auth_string``).
-      - MariaDB If I(plugin) is ``pam`` an optional I(plugin_auth_string) ults in (``CREATE USER user IDENTIFIED WITH plugin USING plugin_auth_string``).
-        This was chosen because MySQL and MariaDB store the ``USING plugin_auth_string`` part in the ``authentication_string`` column in ``mysql.user``.
+      - If I(plugin) is ``pam`` (MariaDB) or ``auth_pam`` (MySQL) an optional I(plugin_auth_string) can be used to choose a specific PAM service.
     type: str
     version_added: '0.1.0'
   resource_limits: