diff --git a/doc/guix.texi b/doc/guix.texi
index af246562a8..20f007b1c0 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -7632,6 +7632,9 @@ contain OpenPGP public keys in @file{.key} files, either in binary form
 or ``ASCII-armored''.  By default the keyring is loaded from the branch
 named @code{keyring}.
 
+@item --end=@var{commit}
+Authenticate revisions up to @var{commit}.
+
 @item --stats
 Display commit signing statistics upon completion.
 
diff --git a/guix/scripts/git/authenticate.scm b/guix/scripts/git/authenticate.scm
index 6ff5cee682..def4879e96 100644
--- a/guix/scripts/git/authenticate.scm
+++ b/guix/scripts/git/authenticate.scm
@@ -100,6 +100,8 @@ Authenticate the given Git checkout using COMMIT/SIGNER as its introduction.\n")
   (display (G_ "
   -k, --keyring=REFERENCE
                          load keyring from REFERENCE, a Git branch"))
+  (display (G_ "
+      --end=COMMIT       authenticate revisions up to COMMIT"))
   (display (G_ "
       --stats            display commit signing statistics upon completion"))
   (display (G_ "