[Grammar] must have been

[langue]

I am writing a Technical Document in English.
Would you check if there is any grammar mistakes below sentence ?


The XXX setting information must have been saved to restore the settings later.

The context : This is a note at the uninstalling section, recommending users to save the information before uninstalling, otherwise the information cannot be retrieved later.

 

[teechar]

I am writing a technical document in English.
Would you check if there [STRIKE]is[/STRIKE] are any grammar mistakes [STRIKE]below[/STRIKE] in the sentence below?


The XXX setting information must [STRIKE]have been[/STRIKE] be saved if you wish to restore those settings later.

The context: This is a note at the uninstallation [STRIKE]ing[/STRIKE] stage, [STRIKE]section,[/STRIKE] recommending users [STRIKE]to[/STRIKE] save the information before uninstalling; otherwise, the information cannot be retrieved later.

See above.