diff --git a/POSTINSTALL.md b/POSTINSTALL.md
index 64de883..31b1b6c 100644
--- a/POSTINSTALL.md
+++ b/POSTINSTALL.md
@@ -1,17 +1,17 @@
 Accounts are created with the username and the subdomain under which this app is installed  e.g. `@$CLOUDRON-USERNAME@$CLOUDRON-APP-FQDN`.
 Mastodon does not allow changing the domain part of the account later.
-See [the docs](https://docs.cloudron.io/apps/mastodon/#federation) for more information, f you want to change this domain.
+See [the docs](https://docs.cloudron.io/packages/mastodon/#federation) for more information, f you want to change this domain.
 
 <sso>
 **NOTE:**
-* Mastodon has [restrictions](https://docs.cloudron.io/apps/mastodon/#username-restriction) on usernames that might prevent some users from logging in.
+* Mastodon has [restrictions](https://docs.cloudron.io/packages/mastodon/#username-restriction) on usernames that might prevent some users from logging in.
 
 * External registration [does not work well](https://github.com/mastodon/mastodon/issues/20655) when Cloudron user management is enabled.
 </sso>
 
 <nosso>
 **NOTE:**
-* Open registration is disabled by default. To enable this, see the [docs](https://docs.cloudron.io/apps/mastodon/#registration)
+* Open registration is disabled by default. To enable this, see the [docs](https://docs.cloudron.io/packages/mastodon/#registration)
 
-* To add an initial account follow those [instructions](https://docs.cloudron.io/apps/mastodon/#adding-users)
+* To add an initial account follow those [instructions](https://docs.cloudron.io/packages/mastodon/#adding-users)
 </nosso>