diff --git a/doc/contributing/building-node-with-ninja.md b/doc/contributing/building-node-with-ninja.md
index 01a04c3c2cfbe2..56118292366c4f 100644
--- a/doc/contributing/building-node-with-ninja.md
+++ b/doc/contributing/building-node-with-ninja.md
@@ -32,6 +32,12 @@ make -j4 # With this flag, Ninja will limit itself to 4 parallel jobs,
          # regardless of the number of cores on the current machine.
 ```
 
+If you wish to only modify JS layer in `lib`, you can use:
+
+```bash
+./configure --ninja --node-builtin-modules-path "$(pwd)"
+```
+
 ## Producing a debug build
 
 To create a debug build rather than a release build: