diff --git a/guile/examples/msg-graphs b/guile/examples/msg-graphs
index 0c35f35c..30084f1e 100755
--- a/guile/examples/msg-graphs
+++ b/guile/examples/msg-graphs
@@ -2,7 +2,7 @@
 exec guile -e main -s $0 $@
 !#
 ;;
-;; Copyright (C) 2011 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
+;; Copyright (C) 2011-2012 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
 ;;
 ;; This program is free software; you can redistribute it and/or modify it
 ;; under the terms of the GNU General Public License as published by the
diff --git a/guile/examples/mu-biff b/guile/examples/mu-biff
index d89e834e..bc6d507f 100755
--- a/guile/examples/mu-biff
+++ b/guile/examples/mu-biff
@@ -28,7 +28,7 @@ exec guile -e main -s $0 $@
 
 
 (use-modules (ice-9 getopt-long) (ice-9 format))
-(use-modules (mu) (mu message))
+(use-modules (mu))
 
 (define (main args)
   (let* ((optionspec   '((muhome      (value #t))
@@ -49,7 +49,7 @@ exec guile -e main -s $0 $@
 	(mu:for-each-message
 	  (lambda (msg)
 	    (if (> (mu:timestamp msg) newer-than)
-	      (format #t "~s ~s\n"
+	      (format #t "~a ~a\n"
 		(mu:from msg)
 		(mu:subject msg))))
 	  query)))))
diff --git a/guile/examples/org2mu4e b/guile/examples/org2mu4e
index a7684341..3556b9a2 100755
--- a/guile/examples/org2mu4e
+++ b/guile/examples/org2mu4e
@@ -3,7 +3,7 @@ exec guile -e main -s $0 $@
 !#
 
 ;;
-;; Copyright (C) 2011 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
+;; Copyright (C) 2011-2012 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
 ;;
 ;; This program is free software; you can redistribute it and/or modify it
 ;; under the terms of the GNU General Public License as published by the
@@ -20,7 +20,6 @@ exec guile -e main -s $0 $@
 ;; along with this program; if not, write to the Free Software Foundation,
 ;; Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 
-
 (use-modules (ice-9 getopt-long) (ice-9 format))
 (use-modules (mu))