Fix punctuation in public key docs.

diff --git a/doc/pubkey.but b/doc/pubkey.but
index e2620bb515a6edb592ffe1b7097a38649e3b9d6c..35988812cc309d8ea09b20a0bac0ae75defd4575 100644 (file)
--- a/doc/pubkey.but
+++ b/doc/pubkey.but
@@ -391,7 +391,7 @@ OpenSSH; for newer key types like Ed25519, it will use the newer
 format as that is the only legal option. If you have some specific
 reason for wanting to use OpenSSH's newer format even for RSA, DSA,
 or ECDSA keys, you can choose \q{Export OpenSSH key (force new file
-format}.
+format)}.
 
 Note that since only SSH-2 keys come in different formats, the export
 options are not available if you have generated an SSH-1 key.