5.0-to-5.1.md - gitlab-shell update instructions.

Created by: c7l8

Minor update to 5.0-to-5.1.md (amend mistake in previous pull request)

doc/update/5.0-to-5.1.md

@@ -16,7 +16,15 @@ sudo -u git -H git checkout 5-1-stable
 ```
-### 3. Install libs, migrations etc
+### 3. Update gitlab-shell
+
+```
+cd /home/git/gitlab-shell
+sudo -u git -H git fetch
+sudo -u git -H git checkout v1.3.0
+```
+
+### 4. Install libs, migrations etc
 ```
 sudo rm tmp/sockets/gitlab.socket
@@ -29,7 +37,7 @@ sudo -u git -H bundle exec rake migrate_merge_requests RAILS_ENV=production
 ```
-### 4. Update init.d script with a new one
+### 5. Update init.d script with a new one
 ```bash
 # init.d
@@ -38,6 +46,6 @@ sudo curl --output /etc/init.d/gitlab https://raw.github.com/gitlabhq/gitlab-rec
 sudo chmod +x /etc/init.d/gitlab
 ```
-### 5. Start application
+### 6. Start application
     sudo service gitlab start