diff --git a/lib/md5.c b/lib/md5.c
index fee1ec8..315131a 100644
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -15,8 +15,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
 /* Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.  */
 
diff --git a/lib/md5.h b/lib/md5.h
index fae7eac..ce767ea 100644
--- a/lib/md5.h
+++ b/lib/md5.h
@@ -15,8 +15,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
 #ifndef _MAILUTILS_MD5_H
 #define _MAILUTILS_MD5_H 1
diff --git a/lib/sha1.c b/lib/sha1.c
index a4380cb..d928e7c 100644
--- a/lib/sha1.c
+++ b/lib/sha1.c
@@ -15,8 +15,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
 /* Written by Scott G. Miller
    Credits:
diff --git a/lib/sha1.h b/lib/sha1.h
index 7acc6d2..ab4e119 100644
--- a/lib/sha1.h
+++ b/lib/sha1.h
@@ -13,8 +13,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
 #ifndef _MAILUTILS_SHA1_H
 # define _MAILUTILS_SHA1_H 1
diff --git a/lib/transform.c b/lib/transform.c
index badc188..90073e9 100644
--- a/lib/transform.c
+++ b/lib/transform.c
@@ -13,8 +13,7 @@
    Public License for more details.
 
    You should have received a copy of the GNU General Public License along
-   with this program; if not, write to the Free Software Foundation, Inc.,
-   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
 #include <graypam.h>
 
diff --git a/pam_sql/pam_sql.h b/pam_sql/pam_sql.h
index deb41f6..632382f 100644
--- a/pam_sql/pam_sql.h
+++ b/pam_sql/pam_sql.h
@@ -12,9 +12,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
-   MA 02110-1301 USA */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
 #define debug_level gpam_sql_debug_level
 #include <graypam.h>