Update switch-to-dev-branch.md (#3303)

Author: ALfuhrmann

docs/advanced/more/switch-to-dev-branch.md

@@ -24,7 +24,7 @@ cp -R data data-backup
 # Update
 git fetch origin dev
 # If you get an `error: pathspec 'dev' did not match any file(s) known to git` execute: `git fetch origin --unshallow`
-git checkout dev # Change 'dev' to 'master' to switch back to the release version
+git checkout dev:dev # Change 'dev' to 'master' to switch back to the release version
 git pull
 npm ci