diff --git a/docs/docsite/rst/user_guide/playbooks_module_defaults.rst b/docs/docsite/rst/user_guide/playbooks_module_defaults.rst
index 6bfff383194..5fc07e5aa78 100644
--- a/docs/docsite/rst/user_guide/playbooks_module_defaults.rst
+++ b/docs/docsite/rst/user_guide/playbooks_module_defaults.rst
@@ -98,6 +98,8 @@ it easier to author playbooks making heavy use of API-based modules such as clou
 +-------+---------------------------+-----------------+
 | os    | OpenStack                 | 2.8             |
 +-------+---------------------------+-----------------+
+| acme  | ACME                      | 2.10            |
++-------+---------------------------+-----------------+
 
 Use the groups with `module_defaults` by prefixing the group name with `group/` - e.g. `group/aws`
 
diff --git a/lib/ansible/config/module_defaults.yml b/lib/ansible/config/module_defaults.yml
index 8ccd7f9aeb4..fa62ed9bf2c 100644
--- a/lib/ansible/config/module_defaults.yml
+++ b/lib/ansible/config/module_defaults.yml
@@ -1,5 +1,18 @@
+---
 version: '1.0'
 groupings:
+  acme_account:
+  - acme
+  acme_account_info:
+  - acme
+  acme_account_facts:
+  - acme
+  acme_certificate:
+  - acme
+  acme_certificate_revoke:
+  - acme
+  acme_inspect:
+  - acme
   aws_acm_facts:
   - aws
   aws_acm_info: