improved help output message

git-svn-id: http://svn.berlios.de/svnroot/repos/sipsak/trunk@428 75b5f7c7-cfd4-0310-b54c-e118b2c5249a
(cherry picked from commit 96fedafa80954e83486a90945697f5721f388b91)
(cherry picked from commit 5901f69a51)

sipsak.c

@@ -152,7 +152,7 @@ void print_long_help() {
 		"  --symmetric                send and received on the same port\n"
 		"  --from=SIPURI              use the given uri as From in MESSAGE\n"
 		"  --timeout-factor=NUMBER    timeout multiplier for INVITE transactions\n"
-		"                             and reliable transports (default: 64)\n"
+		"                             on non-reliable transports (default: 64)\n"
 		"  --transport=STRING         specify transport to be used\n"
 		"  --headers=STRING           adds additional headers to the request\n"
 		"  --authhash=STRING          ha1 hash for authentication instead of password\n"
@@ -224,7 +224,7 @@ void print_help() {
 		"  -S                use same port for receiving and sending\n"
 		"  -c SIPURI         use the given uri as From in MESSAGE\n"
 		"  -D NUMBER         timeout multiplier for INVITE transactions\n"
-		"                    and reliable transports (default: 64)\n"
+		"                    on non-reliable transports (default: 64)\n"
 		"  -E STRING         specify transport to be used\n"
 		"  -j STRING         adds additional headers to the request\n"
 		"  -J STRING         ha1 hash for authentication instead of password\n"