Synchronize invert flag order with manpages

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
diff --git a/extensions/libip6t_hl.c b/extensions/libip6t_hl.c
index 2af9a20..b895e36 100644
--- a/extensions/libip6t_hl.c
+++ b/extensions/libip6t_hl.c
@@ -19,7 +19,7 @@
 {
 	printf(
 "hl match options:\n"
-"  --hl-eq [!] value	Match hop limit value\n"
+"[!] --hl-eq value	Match hop limit value\n"
 "  --hl-lt value	Match HL < value\n"
 "  --hl-gt value	Match HL > value\n");
 }