Fix capitalization: postgres → Postgres

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

docs/configuring-playbook-matrix-media-repo.md

@@ -66,7 +66,7 @@ Take a look at:
 Here is a list of additional common configuration options:
 
 ```yaml
-# The postgres database pooling options
+# The Postgres database pooling options
 
 # The maximum number of connects to hold open. More of these allow for more concurrent
 # processes to happen.

docs/configuring-playbook-postgres-backup.md

@@ -6,7 +6,7 @@ SPDX-FileCopyrightText: 2024 - 2025 Suguru Hirahara
 SPDX-License-Identifier: AGPL-3.0-or-later
 -->
 
-# Setting up postgres backup (optional)
+# Setting up Postgres backup (optional)
 
 The playbook can install and configure [docker-postgres-backup-local](https://github.com/prodrigestivill/docker-postgres-backup-local) for you via the [ansible-role-postgres-backup](https://github.com/mother-of-all-self-hosting/ansible-role-postgres-backup) Ansible role.
 

docs/configuring-playbook.md

@@ -206,7 +206,7 @@ Services that help you in administrating and monitoring your Matrix installation
 - Backups:
   - [Setting up BorgBackup](configuring-playbook-backup-borg.md) — a full Matrix server backup solution, including the Postgres database
 
-  - [Setting up postgres backup](configuring-playbook-postgres-backup.md) — a Postgres-database backup solution (note: does not include other files)
+  - [Setting up Postgres backup](configuring-playbook-postgres-backup.md) — a Postgres-database backup solution (note: does not include other files)
 
 ### Other specialized services
 

docs/maintenance-postgres.md

@@ -47,7 +47,7 @@ Example playbook invocations:
 
 ## Backing up PostgreSQL
 
-To automatically make Postgres database backups on a fixed schedule, see [Setting up postgres backup](configuring-playbook-postgres-backup.md).
+To automatically make Postgres database backups on a fixed schedule, see [Setting up Postgres backup](configuring-playbook-postgres-backup.md).
 
 To make a one off back up of the current PostgreSQL database, make sure it's running and then execute a command like this on the server:
 

docs/updating-users-passwords.md

@@ -22,7 +22,7 @@ You can manually generate the password hash by using the command-line after **SS
 docker exec -it matrix-synapse /usr/local/bin/hash_password -c /data/homeserver.yaml
 ```
 
-and then connecting to the postgres server and executing:
+and then connecting to the Postgres server and executing:
 
 ```sql
 UPDATE users SET password_hash = '<password-hash>' WHERE name = '@alice:example.com';