Update docs/configuring-playbook.md title

The file is referred from other files as "Configuring the playbook"

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

docs/configuring-playbook.md

@@ -1,8 +1,8 @@
-# Configuring the Ansible playbook
+# Configuring the playbook
 
 <sup>[Prerequisites](prerequisites.md) > [Configuring your DNS server](configuring-dns.md) > [Getting the playbook](getting-the-playbook.md) > Configuring the playbook > [Installing](installing.md) </sup>
 
-To configure the playbook, you need to have done the following things:
+To configure the Ansible playbook, you need to have done the following things:
 
 - have a server where Matrix services will run
 - [configured your DNS records](configuring-dns.md)