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diff --git a/doc/guix.texi b/doc/guix.texi
index 53c9fb2d44..9b2e367d0c 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -1068,6 +1068,23 @@ substring ``emacs'':
$ guix package --upgrade . --do-not-upgrade emacs
@end example
+@item --manifest=@var{file}
+@itemx -m @var{file}
+Create a new @dfn{generation} of the profile from the manifest object
+returned by the Scheme code in @var{file}.
+
+A manifest file may look like this:
+
+@example
+(use-package-modules guile emacs gcc)
+
+(packages->manifest
+ (list guile-2.0
+ emacs
+ ;; Use a specific package output.
+ (list gcc "debug")))
+@end example
+
@item --roll-back
Roll back to the previous @dfn{generation} of the profile---i.e., undo
the last transaction.