diff --git a/README.md b/README.md
index 6393043e..3435b86a 100644
--- a/README.md
+++ b/README.md
@@ -227,7 +227,7 @@ See [examples](examples).
 - [voxel/vx_ascii](https://openhome.cc/eGossip/OpenSCAD/lib2x-vx_ascii.html)
 - [voxel/vx_gray](https://openhome.cc/eGossip/OpenSCAD/lib2x-vx_gray.html)
 - [voxel/vx_union](https://openhome.cc/eGossip/OpenSCAD/lib2x-vx_union.html)
-- voxel/vx_intersection
+- [voxel/vx_intersection](https://openhome.cc/eGossip/OpenSCAD/lib2x-vx_intersection.html)
 - voxel/vx_difference
 
 ----
diff --git a/docs/images/lib2x-vx_intersection-1.JPG b/docs/images/lib2x-vx_intersection-1.JPG
new file mode 100644
index 00000000..d17ab197
Binary files /dev/null and b/docs/images/lib2x-vx_intersection-1.JPG differ
diff --git a/src/voxel/vx_intersection.scad b/src/voxel/vx_intersection.scad
index 04f99344..f19264cc 100644
--- a/src/voxel/vx_intersection.scad
+++ b/src/voxel/vx_intersection.scad
@@ -1,3 +1,13 @@
+/**
+* vx_intersection.scad
+*
+* @copyright Justin Lin, 2020
+* @license https://opensource.org/licenses/lgpl-3.0.html
+*
+* @see https://openhome.cc/eGossip/OpenSCAD/lib2x-vx_intersection.html
+*
+**/ 
+
 use <../util/sort.scad>;
 use <../util/has.scad>;