Point out nginx config changes in update guides.

doc/update/6.x-or-7.x-to-7.8.md

@@ -164,8 +164,6 @@ git diff 6-0-stable:config/gitlab.yml.example 7-8-stable:config/gitlab.yml.examp
 * Make `/home/git/gitlab/config/gitlab.yml` the same as https://gitlab.com/gitlab-org/gitlab-ce/blob/7-8-stable/config/gitlab.yml.example but with your settings.
 * Make `/home/git/gitlab/config/unicorn.rb` the same as https://gitlab.com/gitlab-org/gitlab-ce/blob/7-8-stable/config/unicorn.rb.example but with your settings.
 * Make `/home/git/gitlab-shell/config.yml` the same as https://gitlab.com/gitlab-org/gitlab-shell/blob/v2.4.3/config.yml.example but with your settings.
-* HTTP setups: Make `/etc/nginx/sites-available/gitlab` the same as https://gitlab.com/gitlab-org/gitlab-ce/blob/7-8-stable/lib/support/nginx/gitlab but with your settings.
-* HTTPS setups: Make `/etc/nginx/sites-available/gitlab-ssl` the same as https://gitlab.com/gitlab-org/gitlab-ce/blob/7-8-stablef/lib/support/nginx/gitlab-ssl but with your settings.
 * Copy rack attack middleware config
 
 ```bash
@@ -178,6 +176,12 @@ sudo -u git -H cp config/initializers/rack_attack.rb.example config/initializers
 sudo cp lib/support/logrotate/gitlab /etc/logrotate.d/gitlab
 ```
 
+### Change Nginx settings
+
+* HTTP setups: Make `/etc/nginx/sites-available/gitlab` the same as https://gitlab.com/gitlab-org/gitlab-ce/blob/7-8-stable/lib/support/nginx/gitlab but with your settings.
+* HTTPS setups: Make `/etc/nginx/sites-available/gitlab-ssl` the same as https://gitlab.com/gitlab-org/gitlab-ce/blob/7-8-stablef/lib/support/nginx/gitlab-ssl but with your settings.
+* Take special note of the `location /uploads/` section that has been added, the directives from `# gzip off;` up to `proxy_set_header X-Frame-Options SAMEORIGIN;` that have been moved from `location @gitlab` to `server`, and the `gzip on;` directive that has been added to `location ~ ^/(assets)/`.
+
 ## 9. Start application
 
     sudo service gitlab start

doc/update/7.7-to-7.8.md

@@ -75,8 +75,9 @@ git diff origin/7-6-stable:config/gitlab.yml.example origin/7-8-stable:config/gi
 
 #### Change Nginx settings
 
-* HTTP setups: Make `/etc/nginx/sites-available/gitlab` the same as [`lib/support/nginx/gitlab`](/lib/support/nginx/gitlab) but with your settings
-* HTTPS setups: Make `/etc/nginx/sites-available/gitlab-ssl` the same as [`lib/support/nginx/gitlab-ssl`](/lib/support/nginx/gitlab-ssl) but with your setting
+* HTTP setups: Make `/etc/nginx/sites-available/gitlab` the same as [`lib/support/nginx/gitlab`](/lib/support/nginx/gitlab) but with your settings.
+* HTTPS setups: Make `/etc/nginx/sites-available/gitlab-ssl` the same as [`lib/support/nginx/gitlab-ssl`](/lib/support/nginx/gitlab-ssl) but with your settings.
+* Take special note of the `location /uploads/` section that has been added, the directives from `# gzip off;` up to `proxy_set_header X-Frame-Options SAMEORIGIN;` that have been moved from `location @gitlab` to `server`, and the `gzip on;` directive that has been added to `location ~ ^/(assets)/`.
 
 #### Setup time zone (optional)