diff --git a/lua/zapret-antidpi.lua b/lua/zapret-antidpi.lua
index f7f7e6f..c19694a 100644
--- a/lua/zapret-antidpi.lua
+++ b/lua/zapret-antidpi.lua
@@ -25,7 +25,7 @@ standard fooling :
 * ip6_autottl=delta,min-max - set ip.ip_ttl to auto discovered ttl
 
 * ip6_hopbyhop[=hex] - add hopbyhop ipv6 header with optional data. data size must be 6+N*8. all zero by default.
-* ip6_hopbyhop2 - add 2 hopbyhop ipv6 headers with optional data. data size must be 6+N*8. all zero by default.
+* ip6_hopbyhop2[=hex] - add 2 hopbyhop ipv6 headers with optional data. data size must be 6+N*8. all zero by default.
 * ip6_destopt[=hex] - add destopt ipv6 header with optional data. data size must be 6+N*8. all zero by default.
 * ip6_routing[=hex] - add routing ipv6 header with optional data. data size must be 6+N*8. all zero by default.
 * ip6_ah[=hex] - add authentication ipv6 header with optional data. data size must be 6+N*4. 0000 + 4 random bytes by default.