diff --git a/heroscript/projectinca/book_collections.md b/heroscript/projectinca/book_collections.md
index 36ac04f..ec4ab0a 100644
--- a/heroscript/projectinca/book_collections.md
+++ b/heroscript/projectinca/book_collections.md
@@ -41,6 +41,9 @@
 !!doctree.add
     url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/collections/tfgrid3'
 
+!!doctree.add
+    url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/collections/p2p'
+
 
 ```