diff --git a/wkd-java-cli/README.md b/wkd-java-cli/README.md
index 633bfdc..7efc4af 100644
--- a/wkd-java-cli/README.md
+++ b/wkd-java-cli/README.md
@@ -5,3 +5,10 @@ SPDX-License-Identifier: Apache-2.0
 -->
 
 # Command Line Interface for the Web Key Directory
+
+```shell
+Usage: wkdcli fetch [-a] USERID
+Fetch an OpenPGP Certificate via the Web Key Directory
+      USERID    Certificate User-ID
+  -a, --armor   ASCII Armor the output
+```
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