diff --git a/docs/registering-users.md b/docs/registering-users.md
index acb86a908..6aeece00f 100644
--- a/docs/registering-users.md
+++ b/docs/registering-users.md
@@ -100,10 +100,18 @@ If you'd rather **keep your server private** (public registration closed, as is
 
 To **open up user registration publicly** (usually **not recommended**), add the following configuration to your `inventory/host_vars/matrix.example.com/vars.yml` file:
 
+For Synapse:
+
 ```yaml
 matrix_synapse_enable_registration: true
 ```
 
+For Dendrite:
+
+```yaml
+matrix_dendrite_client_api_registration_disabled: false
+```
+
 After configuring the playbook, run the [installation](installing.md) command: `just install-all` or `just setup-all`
 
 If you're opening up registrations publicly like this, you might also wish to [configure CAPTCHA protection](configuring-captcha.md).