Minor editing of the 7.14-to-8.0 update guide

doc/update/7.14-to-8.0.md

@@ -10,9 +10,9 @@ months after this vulnerability became known the GitLab installation guide
 still contained instructions that would install the outdated, 'vulnerable' Git
 version 2.1.2.
 
-Run the following command to get your current Git version.
+Run the following command to get your current Git version:
 
-```
+```sh
 /usr/local/bin/git --version
 ```
 
@@ -63,28 +63,33 @@ sudo -u git -H git checkout 8-0-stable-ee
 ```bash
 cd /home/git/gitlab-shell
 sudo -u git -H git fetch
-sudo -u git -H git checkout v2.6.4
+sudo -u git -H git checkout v2.6.5
 ```
 
 ### 5. Install gitlab-git-http-server
 
-First we download Go 1.5 and install it into /usr/local/go.
+First we download Go 1.5 and install it into `/usr/local/go`:
 
-    curl -O --progress https://storage.googleapis.com/golang/go1.5.linux-amd64.tar.gz
-    echo '5817fa4b2252afdb02e11e8b9dc1d9173ef3bd5a  go1.5.linux-amd64.tar.gz' | shasum -c - && \
-      sudo tar -C /usr/local -xzf go1.5.linux-amd64.tar.gz
-    sudo ln -sf /usr/local/go/bin/{go,godoc,gofmt} /usr/local/bin/
-    rm go1.5.linux-amd64.tar.gz
+```bash
+curl -O --progress https://storage.googleapis.com/golang/go1.5.linux-amd64.tar.gz
+echo '5817fa4b2252afdb02e11e8b9dc1d9173ef3bd5a  go1.5.linux-amd64.tar.gz' | shasum -c - && \
+  sudo tar -C /usr/local -xzf go1.5.linux-amd64.tar.gz
+sudo ln -sf /usr/local/go/bin/{go,godoc,gofmt} /usr/local/bin/
+rm go1.5.linux-amd64.tar.gz
+```
 
-Now we download gitlab-git-http-server and install it in /home/git/gitlab-git-http-server.
+Now we download `gitlab-git-http-server` and install it in `/home/git/gitlab-git-http-server`:
 
-    cd /home/git
-    sudo -u git -H git clone https://gitlab.com/gitlab-org/gitlab-git-http-server.git
-    cd gitlab-git-http-server
-    sudo -u git -H make
+```bash
+cd /home/git
+sudo -u git -H git clone https://gitlab.com/gitlab-org/gitlab-git-http-server.git
+cd gitlab-git-http-server
+sudo -u git -H make
+```
 
-If you put your Git repositories in a directory different from /home/git/repositories, you need to tell gitlab-git-http-server about it via /etc/gitlab/default.
-See lib/support/init.d/gitlab.default.example for the options.
+If your Git repositories are in a directory other than `/home/git/repositories`,
+you need to tell `gitlab-git-http-server` about it via `/etc/gitlab/default`.
+See `lib/support/init.d/gitlab.default.example` for the options.
 
 ### 6. Install libs, migrations, etc.
 
@@ -111,20 +116,27 @@ sudo cp lib/support/init.d/gitlab /etc/init.d/gitlab
 
 #### New configuration options for `gitlab.yml`
 
-There are new configuration options available for [`gitlab.yml`](config/gitlab.yml.example). View them with the command below and apply them to your current `gitlab.yml`.
+There are new configuration options available for [`gitlab.yml`](config/gitlab.yml.example). View them with the command below and apply them manually to your current `gitlab.yml`:
 
-```
+```sh
 git diff origin/7-14-stable:config/gitlab.yml.example origin/8-0-stable:config/gitlab.yml.example
-``````
+```
 
-#### New NGINX configuration
+#### New Nginx configuration
 
-Because of the new gitlab-git-http-server you need to update your NGINX configuration.
-If you skip this step 'git clone' and 'git push' over HTTP(S) will stop working.
+Because of the new `gitlab-git-http-server` you need to update your Nginx
+configuration.  If you skip this step 'git clone' and 'git push' over HTTP(S)
+will stop working.
 
-```
-# Remove '-ssl' twice in the diff command below if you use HTTP instead of HTTPS
+View changes between the previous recommended Nginx configuration and the
+current one:
+
+```sh
+# For HTTPS configurations
 git diff origin/7-14-stable:lib/support/nginx/gitlab-ssl origin/8-0-stable:lib/support/nginx/gitlab-ssl
+
+# For HTTP configurations
+git diff origin/7-14-stable:lib/support/nginx/gitlab origin/8-0-stable:lib/support/nginx/gitlab
 ```
 
 ### 8. Start application
@@ -138,7 +150,7 @@ Check if GitLab and its environment are configured correctly:
 
     sudo -u git -H bundle exec rake gitlab:env:info RAILS_ENV=production
 
-To make sure you didn't miss anything run a more thorough check with:
+To make sure you didn't miss anything run a more thorough check:
 
     sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production
 
@@ -147,13 +159,15 @@ If all items are green, then congratulations, the upgrade is complete!
 ## Things went south? Revert to previous version (7.14)
 
 ### 1. Revert the code to the previous version
+
 Follow the [upgrade guide from 7.13 to 7.14](7.13-to-7.14.md), except for the database migration
 (The backup is already migrated to the previous version)
 
-### 2. Restore from the backup:
+### 2. Restore from the backup
 
 ```bash
 cd /home/git/gitlab
 sudo -u git -H bundle exec rake gitlab:backup:restore RAILS_ENV=production
 ```
-If you have more than one backup *.tar file(s) please add `BACKUP=timestamp_of_backup` to the command above.
+
+If you have more than one backup `*.tar` file(s) please add `BACKUP=timestamp_of_backup` to the command above.