diff --git a/drivers/net/wan/c101.c b/drivers/net/wan/c101.c
index b60ef02db7b0..c92ac9fde083 100644
--- a/drivers/net/wan/c101.c
+++ b/drivers/net/wan/c101.c
@@ -7,7 +7,7 @@
  * under the terms of version 2 of the GNU General Public License
  * as published by the Free Software Foundation.
  *
- * For information see http://hq.pm.waw.pl/hdlc/
+ * For information see <http://www.kernel.org/pub/linux/utils/net/hdlc/>
  *
  * Sources of information:
  *    Hitachi HD64570 SCA User's Manual
diff --git a/drivers/net/wan/n2.c b/drivers/net/wan/n2.c
index b7d88db89a5c..e013b817cab8 100644
--- a/drivers/net/wan/n2.c
+++ b/drivers/net/wan/n2.c
@@ -7,7 +7,7 @@
  * under the terms of version 2 of the GNU General Public License
  * as published by the Free Software Foundation.
  *
- * For information see http://hq.pm.waw.pl/hdlc/
+ * For information see <http://www.kernel.org/pub/linux/utils/net/hdlc/>
  *
  * Note: integrated CSU/DSU/DDS are not supported by this driver
  *
diff --git a/drivers/net/wan/pci200syn.c b/drivers/net/wan/pci200syn.c
index 670e8bd2245c..24c3c57c13c9 100644
--- a/drivers/net/wan/pci200syn.c
+++ b/drivers/net/wan/pci200syn.c
@@ -7,7 +7,7 @@
  * under the terms of version 2 of the GNU General Public License
  * as published by the Free Software Foundation.
  *
- * For information see http://hq.pm.waw.pl/hdlc/
+ * For information see <http://www.kernel.org/pub/linux/utils/net/hdlc/>
  *
  * Sources of information:
  *    Hitachi HD64572 SCA-II User's Manual