1 files changed, 3 insertions, 0 deletions
diff --git a/cmdline/apt-key b/cmdline/apt-key
index de04d16da..26aa55633 100755
--- a/cmdline/apt-key
+++ b/cmdline/apt-key
@@ -1,6 +1,7 @@
 #!/bin/sh
 
 set -e
+unset GREP_OPTIONS
 
 # We don't use a secret keyring, of course, but gpg panics and
 # implodes if there isn't one available
@@ -111,6 +112,8 @@ usage() {
     echo "  apt-key update              - update keys using the keyring package"
     echo "  apt-key net-update          - update keys using the network"
     echo "  apt-key list                - list keys"
+    echo "  apt-key finger              - list fingerprints"
+    echo "  apt-key adv                 - pass advanced options to gpg (download key)"
     echo
 }