diff --git a/README.md b/README.md
index ed545ef..7f9a757 100644
--- a/README.md
+++ b/README.md
@@ -31,8 +31,9 @@ Usage: goodbyedpi.exe [OPTION...]
  --dnsv6-addr  <value>    redirect UDPv6 DNS requests to the supplied IPv6 address (experimental)
  --dnsv6-port  <value>    redirect UDPv6 DNS requests to the supplied port (53 by default)
  --dns-verb               print verbose DNS redirection messages
- --blacklist   <txtfile>  perform HTTP tricks only to host names and subdomains from
-                          supplied text file. This option can be supplied multiple times.
+ --blacklist   <txtfile>  perform circumvention tricks only to host names and subdomains from
+                          supplied text file (HTTP Host/TLS SNI).
+                          This option can be supplied multiple times.
  --set-ttl     <value>    activate Fake Request Mode and send it with supplied TTL value.
                           DANGEROUS! May break websites in unexpected ways. Use with care.
  --auto-ttl    [decttl]   activate Fake Request Mode, automatically detect TTL and decrease
diff --git a/src/goodbyedpi.c b/src/goodbyedpi.c
index c895f56..12ac231 100644
--- a/src/goodbyedpi.c
+++ b/src/goodbyedpi.c
@@ -731,8 +731,9 @@ int main(int argc, char *argv[]) {
                 " --dnsv6-addr  <value>    redirect UDPv6 DNS requests to the supplied IPv6 address (experimental)\n"
                 " --dnsv6-port  <value>    redirect UDPv6 DNS requests to the supplied port (53 by default)\n"
                 " --dns-verb               print verbose DNS redirection messages\n"
-                " --blacklist   <txtfile>  perform HTTP tricks only to host names and subdomains from\n"
-                "                          supplied text file. This option can be supplied multiple times.\n"
+                " --blacklist   <txtfile>  perform circumvention tricks only to host names and subdomains from\n"
+                "                          supplied text file (HTTP Host/TLS SNI).\n"
+                "                          This option can be supplied multiple times.\n"
                 " --set-ttl     <value>    activate Fake Request Mode and send it with supplied TTL value.\n"
                 "                          DANGEROUS! May break websites in unexpected ways. Use with care.\n"
                 " --auto-ttl    [decttl]   activate Fake Request Mode, automatically detect TTL and decrease\n"