tweak udhcpd help text

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>

diff --git a/include/usage.src.h b/include/usage.src.h
index 0eff1b1..2866bdb 100644 (file)
--- a/include/usage.src.h
+++ b/include/usage.src.h
@@ -4544,7 +4544,7 @@ INSERT
        ) \
 
 #define udhcpd_trivial_usage \
-       "[-fS]" IF_FEATURE_UDHCP_PORT(" [-P N]") " [configfile]" \
+       "[-fS]" IF_FEATURE_UDHCP_PORT(" [-P N]") " [CONFFILE]" \
 
 #define udhcpd_full_usage "\n\n" \
        "DHCP server\n" \