diff --git a/src/matrix/m_cumulate.scad b/src/matrix/m_cumulate.scad
index ae511501..57f6c87f 100644
--- a/src/matrix/m_cumulate.scad
+++ b/src/matrix/m_cumulate.scad
@@ -4,7 +4,7 @@
 * @copyright Justin Lin, 2019
 * @license https://opensource.org/licenses/lgpl-3.0.html
 *
-* @see https://openhome.cc/eGossip/OpenSCAD/lib-m_cumulate.html
+* @see https://openhome.cc/eGossip/OpenSCAD/lib2-m_cumulate.html
 *
 **/
 
diff --git a/src/matrix/m_mirror.scad b/src/matrix/m_mirror.scad
index 11ec7fed..b9502e2d 100644
--- a/src/matrix/m_mirror.scad
+++ b/src/matrix/m_mirror.scad
@@ -4,7 +4,7 @@
 * @copyright Justin Lin, 2019
 * @license https://opensource.org/licenses/lgpl-3.0.html
 *
-* @see https://openhome.cc/eGossip/OpenSCAD/lib-m_mirror.html
+* @see https://openhome.cc/eGossip/OpenSCAD/lib2-m_mirror.html
 *
 **/
 
diff --git a/src/matrix/m_rotation.scad b/src/matrix/m_rotation.scad
index 9afb7651..5b55bba4 100644
--- a/src/matrix/m_rotation.scad
+++ b/src/matrix/m_rotation.scad
@@ -4,7 +4,7 @@
 * @copyright Justin Lin, 2019
 * @license https://opensource.org/licenses/lgpl-3.0.html
 *
-* @see https://openhome.cc/eGossip/OpenSCAD/lib-m_rotation.html
+* @see https://openhome.cc/eGossip/OpenSCAD/lib2-m_rotation.html
 *
 **/
 
diff --git a/src/matrix/m_scaling.scad b/src/matrix/m_scaling.scad
index 52edb498..a6857e15 100644
--- a/src/matrix/m_scaling.scad
+++ b/src/matrix/m_scaling.scad
@@ -4,7 +4,7 @@
 * @copyright Justin Lin, 2019
 * @license https://opensource.org/licenses/lgpl-3.0.html
 *
-* @see https://openhome.cc/eGossip/OpenSCAD/lib-m_scaling.html
+* @see https://openhome.cc/eGossip/OpenSCAD/lib2-m_scaling.html
 *
 **/
 
diff --git a/src/matrix/m_shearing.scad b/src/matrix/m_shearing.scad
index ebd74931..3602715d 100644
--- a/src/matrix/m_shearing.scad
+++ b/src/matrix/m_shearing.scad
@@ -4,7 +4,7 @@
 * @copyright Justin Lin, 2019
 * @license https://opensource.org/licenses/lgpl-3.0.html
 *
-* @see https://openhome.cc/eGossip/OpenSCAD/lib-m_shearing.html
+* @see https://openhome.cc/eGossip/OpenSCAD/lib2-m_shearing.html
 *
 **/
 
diff --git a/src/matrix/m_translation.scad b/src/matrix/m_translation.scad
index 13139216..9ca23a83 100644
--- a/src/matrix/m_translation.scad
+++ b/src/matrix/m_translation.scad
@@ -4,7 +4,7 @@
 * @copyright Justin Lin, 2019
 * @license https://opensource.org/licenses/lgpl-3.0.html
 *
-* @see https://openhome.cc/eGossip/OpenSCAD/lib-m_translation.html
+* @see https://openhome.cc/eGossip/OpenSCAD/lib2-m_translation.html
 *
 **/