Small documentation fix after Dave's _USERAUTH_FAILURE improvement

docs/libssh2_userauth_publickey_fromfile_ex.3

@@ -40,12 +40,11 @@ LIBSSH2_ERROR_EAGAIN is a negative number, it isn't really a failure per se.
 
 \fILIBSSH2_ERROR_SOCKET_TIMEOUT\fP - 
 
-\fILIBSSH2_ERROR_AUTHENTICATION_FAILED\fP - >The username/public key 
+\fILIBSSH2_ERROR_PUBLICKEY_UNVERIFIED\fP - The username/public key
 combination was invalid.
 
-\fILIBSSH2_ERROR_PUBLICKEY_UNVERIFIED\fP - The username/public key 
+\fILIBSSH2_ERROR_AUTHENTICATION_FAILED\fP - Authentication using the supplied
-combination was invalid, or the signature for the supplied public 
+public key was not accepted.
-key was invalid.
 
 .SH SEE ALSO
 .BR libssh2_session_init_ex(3)