diff --git a/changelog.d/5116.feature b/changelog.d/5116.feature
new file mode 100644
index 0000000000..dcbf7c1fb8
--- /dev/null
+++ b/changelog.d/5116.feature
@@ -0,0 +1 @@
+ Add time-based account expiration.
diff --git a/docs/admin_api/account_validity.rst b/docs/admin_api/account_validity.rst
index 980ea23605..c26353752f 100644
--- a/docs/admin_api/account_validity.rst
+++ b/docs/admin_api/account_validity.rst
@@ -13,7 +13,7 @@ This API extends the validity of an account by as much time as configured in the
 
 The API is::
 
-    POST /_matrix/client/unstable/account_validity/send_mail
+    POST /_matrix/client/unstable/admin/account_validity/validity
 
 with the following body: