1 files changed, 1 insertions, 1 deletions
diff --git a/CmdLine.hs b/CmdLine.hs
index 93828bc..910aa81 100644
--- a/CmdLine.hs
+++ b/CmdLine.hs
@@ -47,7 +47,7 @@ parse = CmdLine
 		)
 	gpgswitch = GpgKey . KeyId . BU8.fromString <$> strOption
 		( long "gpgkeyid"
-		<> help "Specify keyid of gpg key to back up or restore."
+		<> help "Specify keyid of gpg key to back up or restore. (When this option is used to back up a key, it must also be used at restore time.)"
 		)
 	fileswitch = KeyFile <$> strOption
 		( long "keyfile"