diff --git a/Benchmarking-your-changes.md b/Benchmarking-your-changes.md
index c71a7cf..d8f30bc 100644
--- a/Benchmarking-your-changes.md
+++ b/Benchmarking-your-changes.md
@@ -24,7 +24,7 @@ Run the following commands to create a 'baseline' measurement (i.e., before you
     $ gulp generic
     $ gulp components
     $ cd test
-    $ node test.js --statsFile=stats/results/baseline.json --statsDelay=5000 --manifestFile=benchmark.json
+    $ node test.mjs --statsFile=stats/results/baseline.json --statsDelay=5000 --manifestFile=benchmark.json
 
 Then apply your changes and create a 'current' measurement (replace `<feature-branch>` with the name of your branch):
 
@@ -33,7 +33,7 @@ Then apply your changes and create a 'current' measurement (replace `<feature-br
     $ gulp generic
     $ gulp components
     $ cd test
-    $ node test.js --statsFile=stats/results/current.json --statsDelay=5000 --manifestFile=benchmark.json
+    $ node test.mjs --statsFile=stats/results/current.json --statsDelay=5000 --manifestFile=benchmark.json
 
 Finally, you can compare the measurements and see any performance differences: