Update 8.2-to-8.3.md

doc/update/8.2-to-8.3.md

@@ -159,6 +159,10 @@ cd /home/git/gitlab
 sudo cp lib/support/init.d/gitlab /etc/init.d/gitlab
 ```
     
+For Ubuntu 16.04.1 LTS:
+
+    sudo systemctl daemon-reload
+
 ### 8. Use Redis v2.8.0+
 
 Previous versions of GitLab allowed Redis versions >= 2.0 to be used, but