diff --git a/sop-java-picocli/src/main/resources/msg_version.properties b/sop-java-picocli/src/main/resources/msg_version.properties
index c081705..a4c75ca 100644
--- a/sop-java-picocli/src/main/resources/msg_version.properties
+++ b/sop-java-picocli/src/main/resources/msg_version.properties
@@ -4,6 +4,7 @@
 usage.header=Display version information about the tool
 extended=Print an extended version string
 backend=Print information about the cryptographic backend
+sop-spec=Print the latest revision of the SOP specification targeted by the implementation
 
 # Generic TODO: Remove when bumping picocli to 4.7.0
 usage.synopsisHeading=Usage:\u0020
diff --git a/sop-java-picocli/src/main/resources/msg_version_de.properties b/sop-java-picocli/src/main/resources/msg_version_de.properties
index c22d91f..fe460e9 100644
--- a/sop-java-picocli/src/main/resources/msg_version_de.properties
+++ b/sop-java-picocli/src/main/resources/msg_version_de.properties
@@ -4,6 +4,7 @@
 usage.header=Zeige Versionsinformationen über das Programm
 extended=Gebe erweiterte Versionsinformationen aus
 backend=Gebe Informationen über das kryptografische Backend aus
+sop-spec=Gebe die neuste Revision der SOP Spezifikation aus, welche von dieser Implementierung umgesetzt wird.
 
 # Generic TODO: Remove when bumping picocli to 4.7.0
 usage.synopsisHeading=Aufruf:\u0020