diff --git a/README.md b/README.md
index 6c2289fcf749bb97d8e99282f8da82cd3ce25f98..e519bd613cb45e50e2e2ba0a24df14db208afc30 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,11 @@
 [PACKAGE]: ../../raw/master/mkp/inv_ipv4_addresses-0.0.4-20240407.mkp "inv_ipv4_addresses-0.0.4-20240407.mkp"
 # Inventory of IPv4 addresses
 
-The plugin adds the IPv4 addresses of a device monitored via SNMP to the inventory.
+The plugin adds the IP-addresses information to the inventory for devices monitored via SNMP. The plugin supports IPv4 and IPv6.
+
+It adds the hostlabels
+- `nvdct/l3v4_topology:host` if the host has one IPv4 address, except localhost
+- `nvdct/l3v4_topology:router` if the thost has more than one IPv4 address, except localhost
 
 ---
 ### Download