diff --git a/src/config_init.c b/src/config_init.c
index dab9a91f..f27c14c7 100644
--- a/src/config_init.c
+++ b/src/config_init.c
@@ -342,12 +342,12 @@ usage(void)
       "                           on the server.\n"
       " -B, --save-packet       - Save the generated packet data to the\n"
       "                           specified file.\n"
-	  " -a, --allow-ip          - Specify IP address to allow within the SPA\n"
+      " -a, --allow-ip          - Specify IP address to allow within the SPA\n"
       "                           packet.\n"
       " -D, --destination       - Specify the IP address of the fwknop server.\n"
       " -p, --server-port       - Set the destination port for outgoing SPA\n"
       "                           packet.\n"
-      " -P, --source-protocol   - Set the protocol (udp, tcp, tcpraw, icmp) for\n"
+      " -P, --server-protocol   - Set the protocol (udp, tcp, tcpraw, icmp) for\n"
       "                           the outgoing SPA packet. Note: The 'tcpraw'\n"
       "                           and 'icmp' modes use raw sockets and thus\n"
       "                           require root access to run.\n"