diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 5ac71769a91a2d0e8fe45c482e128327ef6e52c0..1c45397c1e849a371cbcf235902fc61ad5a5d378 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -2,3 +2,15 @@
 
 If you have any issues or ideas for improvement you can send me an email to _thl-cmk[at]outlook[dot]com_.\
 You can also contact me in the [CMK forum](https://forum.checkmk.com/) by sending me a direct message or using `@thl-cmk` in your post.
+
+
+Please include:
+- your CMK version/edition
+- your environment (stand alone or distributed)
+- the OS of your CMK server(s)
+- the version of the plugin
+- the crash report (if any)
+- the output of the nvdct (including the complete command line)
+- the coniguration file of nvdct (by default nvdct.toml)
+
+For issues with the inventory plugins see the contribution guide lines of the inventory plugin.
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