diff --git a/src/js/calculator/helsinki_benefit_amount_estimate/tests/README.md b/src/js/calculator/helsinki_benefit_amount_estimate/tests/README.md
index 087ed9495..92eeaf6a9 100644
--- a/src/js/calculator/helsinki_benefit_amount_estimate/tests/README.md
+++ b/src/js/calculator/helsinki_benefit_amount_estimate/tests/README.md
@@ -4,13 +4,13 @@
 
 Needed:
 
-* node installed, tested to be working with at least v18
+* node installed
 * optionally, a display and a OS with GUI for headed tests
 
 To install playwright and it's dependencies:
 
 ```
-npm install
+nvm use && npm install
 npm run test:install
 ```