diff --git a/changelogs/fragments/acl_doc_fix.yml b/changelogs/fragments/acl_doc_fix.yml
new file mode 100644
index 00000000000..de66ee31801
--- /dev/null
+++ b/changelogs/fragments/acl_doc_fix.yml
@@ -0,0 +1,2 @@
+bugfixes:
+    - document old option that was initally missed
diff --git a/lib/ansible/modules/files/acl.py b/lib/ansible/modules/files/acl.py
index d2441a02186..4bd48f5677d 100644
--- a/lib/ansible/modules/files/acl.py
+++ b/lib/ansible/modules/files/acl.py
@@ -71,8 +71,16 @@ options:
     description:
       - Recursively sets the specified ACL (added in Ansible 2.0). Incompatible with C(state=query).
     type: bool
-    default: 'no'
-    version_added: "2.0"
+    default: no
+    version_added: '2.0'
+
+  use_nfsv4_acls:
+    description:
+      - Use NFSv4 ACLs instead of POSIX ACLs.
+    type: bool
+    default: no
+    version_added: '2.2'
+
 author:
     - Brian Coca (@bcoca)
     - Jérémie Astori (@astorije)
diff --git a/test/sanity/validate-modules/ignore.txt b/test/sanity/validate-modules/ignore.txt
index 16d29c1ad14..a211121b22a 100644
--- a/test/sanity/validate-modules/ignore.txt
+++ b/test/sanity/validate-modules/ignore.txt
@@ -589,8 +589,6 @@ lib/ansible/modules/database/vertica/vertica_role.py E322
 lib/ansible/modules/database/vertica/vertica_schema.py E322
 lib/ansible/modules/database/vertica/vertica_user.py E322
 lib/ansible/modules/database/vertica/vertica_user.py E325
-lib/ansible/modules/files/acl.py E322
-lib/ansible/modules/files/acl.py E325
 lib/ansible/modules/files/assemble.py E323
 lib/ansible/modules/files/assemble.py E324
 lib/ansible/modules/files/blockinfile.py E324