Cuando hago git checkout, me aparece: Note: switching to ‘bbda1f97a027aca87b09b746d36e4a22e7faa53e’. You are in ‘detached HEAD’ state. Yo...

Cuando hago git checkout, me aparece:

Note: switching to ‘bbda1f97a027aca87b09b746d36e4a22e7faa53e’.
You are in ‘detached HEAD’ state. You can look around, make experimental
changes and commit them, and you can discard any commits you make in this
state without impacting any branches by switching back to a branch.
If you want to create a new branch to retain commits you create, you may
do so (now or later) by using -c with the switch command. Example:
git switch -c <new-branch-name>
Or undo this operation with:
git switch -
Turn off this advice by setting config variable advice.detachedHead to false
HEAD is now at bbda1f9 Este es el primer commit para este archivo

Veo que cuando Freddy hace un checkout y modifica la version anterior y hace un commit esta version nueva forma parte de la misma rama , en mi caso para matener los cambios de mi version anterior tengo que crear una rama diferente