diff --git a/doc/ldap/README.ldap b/doc/ldap/README.ldap
index 32e958615..187016cb6 100644
--- a/doc/ldap/README.ldap
+++ b/doc/ldap/README.ldap
@@ -1,7 +1,7 @@
 # README.ldap                                             -*- org -*-
 #+TITLE: How to use LDAP with GnuPG
 #+AUTHOR:    GnuPG.com
-#+DATE:      2020-12-23
+#+DATE:      2021-05-28
 #
 # The following comment lines are for use by Org-mode.
 #+EXPORT_FILE_NAME: gnupg-and-ldap
diff --git a/g10/gpg.c b/g10/gpg.c
index f3d645d4a..411b6c097 100644
--- a/g10/gpg.c
+++ b/g10/gpg.c
@@ -2886,7 +2886,7 @@ main (int argc, char **argv)
             break;
 
 	  case oSecretKeyring:
-            /* Ignore this old option.  */
+	    obsolete_option (configname, pargs.lineno, "secret-keyring");
             break;
 
 	  case oNoArmor: opt.no_armor=1; opt.armor=0; break;