1 files changed, 11 insertions, 1 deletions

diff --git a/src/mailman_pgp/commands/eml_key.py b/src/mailman_pgp/commands/eml_key.py
index 9a64fc7..2bc00c7 100644
--- a/src/mailman_pgp/commands/eml_key.py
+++ b/src/mailman_pgp/commands/eml_key.py
@@ -253,6 +253,16 @@ def _cmd_change(pgp_list, mlist, msg, msgdata, arguments, results):
 
 
 def _cmd_revoke(pgp_list, mlist, msg, msgdata, arguments, results):
+    """
+    `key revoke` command.
+
+    Used when a user has to revoke a part of a key used for a `PGPAddress`.
+
+     * This command message CAN be encrypted to the list key, in which case it
+     will be decrypted.
+     * This command message MUST have at least one revocation certificate
+     attached.
+    """
     if len(arguments) != 1:
         print('Extraneous argument/s: ' + ','.join(arguments[1:]),
               file=results)
@@ -260,7 +270,7 @@ def _cmd_revoke(pgp_list, mlist, msg, msgdata, arguments, results):
 
     email = get_email(msg)
     if not email:
-        print('No email to change key of.', file=results)
+        print('No email to revoke key of.', file=results)
         return ContinueProcessing.no
 
     pgp_address = PGPAddress.for_email(email)