9.4 update instractions include changes made to 9.3 instructions

doc/update/9.3-to-9.4.md

@@ -72,8 +72,8 @@ More information can be found on the [yarn website](https://yarnpkg.com/en/docs/
 
 ### 5. Update Go
 
-NOTE: GitLab 9.4 and higher only supports Go 1.8.3 and dropped support for Go 1.5.x through 1.7.x. Be
-sure to upgrade your installation if necessary
+NOTE: GitLab 9.2 and higher only supports Go 1.8.3 and dropped support for Go
+1.5.x through 1.7.x. Be sure to upgrade your installation if necessary.
 
 You can check which version you are running with `go version`.
 
@@ -117,7 +117,7 @@ cd /home/git/gitlab
 sudo -u git -H git checkout 9-4-stable-ee
 ```
 
-### 5. Update gitlab-shell
+### 7. Update gitlab-shell
 
 ```bash
 cd /home/git/gitlab-shell
@@ -127,11 +127,10 @@ sudo -u git -H git checkout v$(</home/git/gitlab/GITLAB_SHELL_VERSION)
 sudo -u git -H bin/compile
 ```
 
-### 6. Update gitlab-workhorse
+### 8. Update gitlab-workhorse
 
-Install and compile gitlab-workhorse. This requires
-[Go 1.8](https://golang.org/dl) which should already be on your system from
-GitLab 8.1. GitLab-Workhorse uses [GNU Make](https://www.gnu.org/software/make/).
+Install and compile gitlab-workhorse. GitLab-Workhorse uses
+[GNU Make](https://www.gnu.org/software/make/).
 If you are not using Linux you may have to run `gmake` instead of
 `make` below.
 
@@ -143,7 +142,7 @@ sudo -u git -H git checkout v$(</home/git/gitlab/GITLAB_WORKHORSE_VERSION)
 sudo -u git -H make
 ```
 
-### 7. Update Gitaly
+### 9. Update Gitaly
 
 If you have not yet set up Gitaly then follow [Gitaly section of the installation
 guide](../install/installation.md#install-gitaly).
@@ -171,7 +170,29 @@ sudo -u git -H git checkout v$(</home/git/gitlab/GITALY_SERVER_VERSION)
 sudo -u git -H make
 ```
 
-### 10. Update configuration files
+### 10. Update MySQL permissions
+
+If you are using MySQL you need to grant the GitLab user the necessary
+permissions on the database:
+
+```bash
+mysql -u root -p -e "GRANT TRIGGER ON \`gitlabhq_production\`.* TO 'git'@'localhost';"
+```
+
+If you use MySQL with replication, or just have MySQL configured with binary logging,
+you will need to also run the following on all of your MySQL servers:
+
+```bash
+mysql -u root -p -e "SET GLOBAL log_bin_trust_function_creators = 1;"
+```
+
+You can make this setting permanent by adding it to your `my.cnf`:
+
+```
+log_bin_trust_function_creators=1
+```
+
+### 11. Update configuration files
 
 #### New configuration options for `gitlab.yml`
 
@@ -245,7 +266,7 @@ For Ubuntu 16.04.1 LTS:
 sudo systemctl daemon-reload
 ```
 
-### 11. Install libs, migrations, etc.
+### 12. Install libs, migrations, etc.
 
 ```bash
 cd /home/git/gitlab
@@ -271,14 +292,14 @@ sudo -u git -H bundle exec rake cache:clear RAILS_ENV=production
 
 **MySQL installations**: Run through the `MySQL strings limits` and `Tables and data conversion to utf8mb4` [tasks](../install/database_mysql.md).
 
-### 12. Start application
+### 13. Start application
 
 ```bash
 sudo service gitlab start
 sudo service nginx restart
 ```
 
-### 13. Check application status
+### 14. Check application status
 
 Check if GitLab and its environment are configured correctly: