docs: Note commands for update/rollback packages

In case someone doesn't want to use the buttons
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justbur 2015-11-09 10:33:01 -05:00 committed by Eivind Fonn
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@ -313,11 +313,14 @@ $ git pull --rebase
** Update packages
To update the Emacs packages used by Spacemacs press RET (enter) or click on the
link =[Update Packages]= in the startup page under the banner then restart Emacs.
link =[Update Packages]= in the startup page under the banner then restart
Emacs. If you prefer, you can use the command
=configuration-layer/update-packages= instead of the button.
If anything goes wrong you should be able to rollback the update by pressing ~RET~
or clicking on the =[Rollback Package Update]= link next to the =[Update Packages]=
link and choose a rollback slot (sorted by date).
If anything goes wrong you should be able to rollback the update by pressing
~RET~ or clicking on the =[Rollback Package Update]= link next to the =[Update
Packages]= link and choose a rollback slot (sorted by date). This button uses
the command =configuration-layer/rollback=.
* Configuration layers
*Note*: This is a very simple overview of how layers work. A more extensive