Update README.md

README.md

-# Title
+# Dell Power connect PSU
 
-A short description about the plugin
+Monitors the status of Dell Power connect power supplys.
 
-if there are more than on plugin put it in collapsable sections
-<details><summary>check_plugin_1</summary>
+This is a rewrite of the original CMK dell_powerconnect_psu check for CMK 2.1. 
 
-</details>
-<details><summary>check_pluhin_2</summary>
-
-</details>
+- fixes missing PSUs in case there are more PSUs with the same name but different index
+- addes current power consumption as perfdata
 
 ---
 ### Download
-* [PACKAGE_NAME.mkp](https://thl-cmk.hopto.org/gitlab/checkmk/PATH_TO_THE_PACKAGE/-/raw/master/PACKAGE_NAME.mkp "Download the MKP file")
+* [dell_powerconnect_psu.mkp](https://thl-cmk.hopto.org/gitlab/checkmk/dell/dell_powerconnect_psu/-/raw/master/dell_powerconnect_psu.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 PAKAGE_NAME.mkp`.
+You can install the package by uploading it to your CheckMK site and as site user run `mkp install dell_powerconnect_psu.mkp`.
 
 
 In the Enterprise/Free edition of CheckMK you can use the GUI to install the package (_Setup_ -> _Extension Packages_ -> _Upload package_)
@@ -29,15 +26,14 @@ Nice ;-) Have a look at the [contribution guidelines](CONTRIBUTING.md "Contribut
 ---
 ### Check Info
 
-The plugin creates the service **_SERVICENAME_** for each discovered FOR WHAT with the **_HOW_TO_BUILD_THE_ITEM_** as item
+The plugin creates the service **_Sensor_** for each discovered power supply with the **_index and name_** of the power supply as item
 
 <details><summary>Montoring states</summary>
 
 | State | condition | WATO | 
 | ------ | ------ | ------ |
-| WARN | condition 1 | yes |
-| CRIT | condition 2 | no |
-| WARN/CRIT | condition 3 | no |
+| WARN/CRIT | Power supply state | no |
+| WARN/CRIT | Power usage levels | yes |
 
 </details>
 
@@ -45,9 +41,7 @@ The plugin creates the service **_SERVICENAME_** for each discovered FOR WHAT wi
 
 | Metric | Unit | Perfometer |
 | ------ | ------ | ------ |
-| METRIC 1 | bit/s | yes |
-| METRIC 2 | C | yes |
-| METRIC 3 | V | no |
+| Power usage | W | yes |
 
 </details>
 
@@ -57,31 +51,14 @@ The plugin creates the service **_SERVICENAME_** for each discovered FOR WHAT wi
 
 | Section | Rule name |
 | ------ | ------ |
-| Networking | NAME_OF_THE_RULE  |
-
-| Option | Defailt value |
-| ------ | ------ |
-| OPTION 1 | 10/50|
-| OPTION 2 | 70/90 |
-| OPTION 3 | CHOICE 1 |
-| OPTION 4 | disabled |
+| Networking | Power Supply Wattage  |
 
 </details> 
 
 <details><summary>Discovery rule</summary>
 
-| Section | Rule name |
-| ------ | ------ |
-| Discovery of individual services | NAME_OF_THE_RULE  |
+There is no discovery rule.
 
-| Option | Defailt value |
-| ------ | ------ |
-| OPTION 1 | disabled |
-
-</details> 
-
-<details><summary>HW/SW inventory rules</summary>
-The inventory plugin is not configurable.
 </details> 
 
 ---
@@ -91,7 +68,3 @@ Sample output
 
 ![sample output](/doc/sample.png?raw=true "sample output")
 
-Sample output details
-
-![sample output details](/doc/sample-details.png?raw=true "sample output details")
-