X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=doc%2Fman-putt.but;h=72094495e533ea15be2f55af63d68a772f8b75ce;hb=15386cbe927fc85ac2fed0bb47704645c4b67dad;hp=67bcba83c0fa9338c42b8ce5edc4d880323a2f7e;hpb=ac9862ec91dba84f9906b1fd58e922321c918918;p=PuTTY.git

diff --git a/doc/man-putt.but b/doc/man-putt.but
index 67bcba83..72094495 100644
--- a/doc/man-putt.but
+++ b/doc/man-putt.but
@@ -232,9 +232,13 @@ pseudo-terminal at the server end.
 
 \dt \cw{\-i} \e{keyfile}
 
-\dd Specify a private key file to use for user authentication. For SSH-2
-keys, this key file must be in PuTTY's format, not OpenSSH's or
-anyone else's.
+\dd Private key file for user authentication. For SSH-2 keys, this key
+file must be in PuTTY's PPK format, not OpenSSH's format or anyone
+else's.
+
+\lcont{ If you are using an authentication agent, you can also specify
+a \e{public} key here (in RFC 4716 or OpenSSH format), to identify
+which of the agent's keys to use. }
 
 \dt \cw{\-hostkey} \e{key}