diff --git a/building_the_book.md b/building_the_book.md
index f5a1590..7e84b3c 100644
--- a/building_the_book.md
+++ b/building_the_book.md
@@ -1,6 +1,6 @@
 # Building the Book
 
-The build uses https://github.com/Bandwidth/gitbook-plugin-include-html to include html directly for code examples as well as the prism plugin to handle code highlighting. CSS for code highlighting seems to get mucked up sometimes if you don't use the default them, this is something to work on in the future.
+The build uses https://github.com/Bandwidth/gitbook-plugin-include-html to include html directly for code examples as well as the prism plugin, https://github.com/gaearon/gitbook-plugin-prism, to handle code highlighting. CSS for code highlighting seems to get mucked up sometimes if you don't use the default them, this is something to work on in the future.
 
 Icons for dev examples are from https://cdn.materialdesignicons.com/3.6.95/.