Merge branch 'readme' into mine

README.md

@@ -24,6 +24,13 @@ systemctl start upfast.service
 ```bash
 systemctl enable upfast.service
 ```
+
+#### Updating
+To update, you only need to pull the changes
+```bash
+su upfast -c 'cd && git pull --no-rebase'
+```
+
 ### Docker
 
 In the repo there is an included dockerfile to generate an image from the latest version of everything, to generate an image just run `docker build . -t upfast` (You need root privileges or to be in the docker group).