Update README.md

README.md

 # Alcatel config change
 
-This plugin will monitors Alcatel switches. It will show if the runnning config differs from the saved config (no write mem).
+This plugin will monitor Cisco Firepower NAT translations.
 
 ---
 ### Download
-* [alcatel_config_change.mkp](https://thl-cmk.hopto.org/gitlab/checkmk/alcatel/alcatel_config_change/-/raw/master/alcatel_config_change.mkp "Download the MKP file")
+* [cisco_fw_nat_translations.mkp](https://thl-cmk.hopto.org/gitlab/checkmk/cisco/as//cisco_fw_nat_translations/-/raw/master/cisco_fw_nat_translations.mkp "Download the MKP file")
                         
 ---
 ### Installation
 
-You can install the package by uploading it to your CheckMK site and as site user run `mkp install alcatel_config_change.mkp`.
+You can install the package by uploading it to your CheckMK site and as site user run `mkp install cisco_fw_nat_translations.mkp`.
 
 
 In the Enterprise/Free edition of CheckMK you can use the GUI to install the package (_Setup_ -> _Extension Packages_ -> _Upload package_)
@@ -27,13 +27,16 @@ The plugin creates the service **_Config change_**.
 
 | State | condition | WATO | 
 | ----- | --------- | ---- |
-| WARN | if running config differs from saved config | yes |
+| WARN/CRIT | if active NAT translations is outside of configured levels | yes |
 
 </details>
 
 <details><summary>Perfdata</summary>
 
-There are no perfdata
+| Metric | Unit | Perfometer |
+| ------ | ------ | ------ |
+| Active | count | yes |
+| Peak   | count | not |
 
 </details>
 
@@ -43,11 +46,14 @@ There are no perfdata
 
 | Section | Rule name |
 | ------ | ------ |
-| Networking | Alcatel config change  |
+| Networking | NAT Translations  |
 
 | Option | Defailt value |
 | ------ | ------ |
-| State to report if config is changed | WARN |
+| NAT translations | none |
+| NAT translations lower levels | none |
+
+**Note:** you can configure _NAT translations_ for predictive monitoring. In this case _NAT translations lower levels_ will not be used.
 
 </details>