diff --git a/changelog.d/16355.doc b/changelog.d/16355.doc
new file mode 100644
index 000000000000..73d29c788951
--- /dev/null
+++ b/changelog.d/16355.doc
@@ -0,0 +1 @@
+Fix rendering of user admin API documentation around deactivation. This was broken in Synapse 1.91.0.
diff --git a/docs/admin_api/user_admin_api.md b/docs/admin_api/user_admin_api.md
index f83facabe4d6..b91848dd272e 100644
--- a/docs/admin_api/user_admin_api.md
+++ b/docs/admin_api/user_admin_api.md
@@ -148,7 +148,6 @@ Body parameters:
 - `admin` - **bool**, optional, defaults to `false`. Whether the user is a homeserver administrator,
   granting them access to the Admin API, among other things.
 - `deactivated` - **bool**, optional. If unspecified, deactivation state will be left unchanged.
-- `locked` - **bool**, optional. If unspecified, locked state will be left unchanged.
 
   Note: the `password` field must also be set if both of the following are true:
   - `deactivated` is set to `false` and the user was previously deactivated (you are reactivating this user)
@@ -158,6 +157,7 @@ Body parameters:
 
   Note: a user cannot be erased with this API. For more details on
   deactivating and erasing users see [Deactivate Account](#deactivate-account).
+- `locked` - **bool**, optional. If unspecified, locked state will be left unchanged.
 - `user_type` - **string** or null, optional. If not provided, the user type will be
   not be changed. If `null` is given, the user type will be cleared.
   Other allowed options are: `bot` and `support`.