diff --git a/README.md b/README.md
index 44c0297..5141c51 100644
--- a/README.md
+++ b/README.md
@@ -2,4 +2,10 @@
 ## howto create a gpg key
 - please follow instruction on following link: https://docs.github.com/en/authentication/managing-commit-signature-verification/generating-a-new-gpg-key
 - add ONLY the _PUBLIC_ part of your gpg key!!!
-- checkin via MergeRequest/PullRequest
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+- checkin via MergeRequest/PullRequest
+
+### import gpg keys
+gpg --import /path/to/keys/*.gpg.pub
+
+### list imported gpg keys
+gpg --list-keys --keyid-format=long
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