--- a/dropbearconvert.1	Mon Nov 23 23:04:48 2015 +0800
+++ b/dropbearconvert.1	Wed Dec 02 22:37:51 2015 +0800
@@ -21,24 +21,24 @@
 .P
 Encrypted private keys are not supported, use ssh-keygen(1) to decrypt them
 first.
-.SH OPTIONS
+.SH ARGUMENTS
 .TP
-.B input type
+.I input_type
 Either 
 .I dropbear
 or 
 .I openssh
 .TP
-.B output type
+.I output_type
 Either 
 .I dropbear
 or 
 .I openssh
 .TP
-.B input file
+.I input_file
 An existing Dropbear or OpenSSH private key file
 .TP
-.B output file
+.I output_file
 The path to write the converted private key file. For client authentication ~/.ssh/id_dropbear is loaded by default
 .SH EXAMPLE
  # dropbearconvert openssh dropbear ~/.ssh/id_rsa ~/.ssh/id_dropbear