diff --git a/README.md b/README.md
index 2c0ac66..088d0f2 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,39 @@
 # ipset updater
 
-Bash + Python ipset list updater
+Bash + Python ipset list updater from a JSON list of ipv4 and subnets
+* Based on [Firehol](https://iplists.firehol.org/) work
+
+```
+{
+   "lists":{
+      "ipv4":
+         {
+            "spamhaus":"https://www.spamhaus.org/drop/drop.txt",
+            "blocklist":"https://lists.blocklist.de/lists/all.txt",
+	        "stopforumspam":"https://iplists.firehol.org/files/stopforumspam.ipset",
+	        "haley_ssh":"https://iplists.firehol.org/files/haley_ssh.ipset",
+	        "blocklist_ssh":"https://iplists.firehol.org/files/blocklist_de_ssh.ipset",
+	        "bi_any_0_1d":"https://iplists.firehol.org/files/bi_any_0_1d.ipset",
+	        "bi_any__1_7d":"https://iplists.firehol.org/files/bi_any_1_7d.ipset",
+	        "bi_any_2_1d":"https://iplists.firehol.org/files/bi_any_2_1d.ipset",
+	        "bi_any_2_30d":"https://iplists.firehol.org/files/bi_any_2_30d.ipset",
+	        "bi_any_2_7d":"https://iplists.firehol.org/files/bi_any_2_7d.ipset"
+         },
+      "net":
+         {
+            "emerging":"https://rules.emergingthreats.net/fwrules/emerging-Block-IPs.txt",
+            "bogons":"https://www.team-cymru.org/Services/Bogons/fullbogons-ipv4.txt",
+            "firehol":"https://iplists.firehol.org/files/firehol_level1.netset",
+            "kor":"https://www.okean.com/sinokoreacidr.txt",
+            "cn":"https://www.okean.com/chinacidr.txt",
+	        "ru":"https://iplists.firehol.org/files/ip2location_country/ip2location_country_ru.netset",
+	        "pk":"https://iplists.firehol.org/files/ip2location_country/ip2location_country_pk.netset",
+	        "sa":"https://iplists.firehol.org/files/ip2location_country/ip2location_country_sa.netset",
+	        "cn2":"https://iplists.firehol.org/files/ip2location_country/ip2location_country_cn.netset"
+         }
+   }
+}
+```
 
 ### Prerequisites