diff --git a/fighter/config/nextcloud/README.md b/fighter/config/nextcloud/README.md
new file mode 100644
index 0000000..b8c6892
--- /dev/null
+++ b/fighter/config/nextcloud/README.md
@@ -0,0 +1,39 @@
+# Config Snippets for `config.php`
+The Nextcloud server is configured via `config.php` at `$DOCKER_DATA/config/www/nextcloud/config/`. We make changes to this file manually, and then restart or recreate the container to apply the changes.
+
+All configuration parameters are contained in the `<?php $CONFIG=array (` block.
+
+## Mail via Gmail
+```php
+  'mail_smtpmode' => 'smtp',
+  'mail_smtpsecure' => 'ssl',
+  'mail_sendmailmode' => 'smtp',
+  'mail_from_address' => 'noreply',
+  'mail_domain' => 'jafner.net',
+  'mail_smtpauthtype' => 'LOGIN',
+  'mail_smtpauth' => 1,
+  'mail_smtphost' => 'smtp.gmail.com',
+  'mail_smtpport' => '465',
+  'mail_smtpname' => 'noreply@jafner.net',
+  'mail_smtppassword' => '${REPLACEME_SMTP_PASSWORD}',
+```
+
+## Trusted Proxies
+```php
+  'trusted_proxies' => 
+    array (
+      0 => '${REPLACEME_IP_OF_TRAEFIK_CONTAINER}',
+    ),
+```
+
+## Transactional File Locking with Redis
+```php
+  'filelocking.enabled' => true,
+  'memcache.locking' => '\OC\Memcache\Redis',
+  'redis' => array(
+    'host' => 'redis',
+    'port' => 6379,
+    'timeout' => 0.0,
+    'password' => '', // Optional, if not defined no password will be used.
+  ),
+```
\ No newline at end of file
diff --git a/fighter/config/nextcloud/docker-compose.yml b/fighter/config/nextcloud/docker-compose.yml
index 3a41ee1..0764dba 100644
--- a/fighter/config/nextcloud/docker-compose.yml
+++ b/fighter/config/nextcloud/docker-compose.yml
@@ -40,7 +40,7 @@ services:
       - redis.env
     volumes:
       - $DOCKER_DATA/redis:/data
-s
+
 networks:
   web:
     external: true