diff --git a/src/usage.h b/src/usage.h
index 5cfc821..e1ba127 100644
--- a/src/usage.h
+++ b/src/usage.h
@@ -30,7 +30,7 @@
 "-K --import               Import a secret or public key.\n" \
 "-F --export-format <fmt>  Specify exportformat, either 'pbp' or 'pcp'.\n" \
 "                          'pcp' is the default if unspecified.\n" \
-"-j --json                 Enable JSON ex- and import of keys.\n" \
+"-j --json                 Enable JSON output (with -t, -p and -s).\n" \
 "\n" \
 "Encryption Options:\n" \
 "-e --encrypt              Asym-Encrypt a message. If none of -i or -r\n" \
diff --git a/src/usage.txt b/src/usage.txt
index 0ce85c2..a24c2d9 100644
--- a/src/usage.txt
+++ b/src/usage.txt
@@ -28,7 +28,7 @@ Keymanagement Options:
 -K --import               Import a secret or public key.
 -F --export-format <fmt>  Specify exportformat, either 'pbp' or 'pcp'.
                           'pcp' is the default if unspecified.
--j --json                 Enable JSON ex- and import of keys.
+-j --json                 Enable JSON output (with -t, -p and -s).
 
 Encryption Options:
 -e --encrypt              Asym-Encrypt a message. If none of -i or -r