YossarianC

Are you using Yoast WordPress SEO?
1. Go to Dashboard -> SEO -> RSS.
2. Find Textarea labeled “Content to put after each post:”.
3. Change the text that appears to whatever you want, or delete it.

[OPEN]
wp-config.php

[FIND]
define( 'DISALLOW_FILE_EDIT', true );

[REPLACE]
#define( 'DISALLOW_FILE_EDIT', true );

[OPEN]
wp-config.php

[FIND]
define( 'DISALLOW_FILE_EDIT', true );

[REPLACE]
#define( 'DISALLOW_FILE_EDIT', true );

Make sure Line 2 shown below exists in wp-config.php

1: define('WP_ALLOW_MULTISITE', true);
2: define('MULTISITE', true);
3: define('SUBDOMAIN_INSTALL', false);
4: $base = '/<YOUR_DIRECTORY>/';
5: define('DOMAIN_CURRENT_SITE', '<YOUR_URL>');
6: define('PATH_CURRENT_SITE', '/<YOUR_PATH>/');
7: define('SITE_ID_CURRENT_SITE', 1);
8: define('BLOG_ID_CURRENT_SITE', 1);

Regards