diff --git a/libraries/stdlib/js/ReadMe.md b/libraries/stdlib/js/ReadMe.md
index 7098b05e7eef7634a0c33f5fc09d1945f280cea8..a67cfd30a92031815e7dc174e1677e4282211489 100644
--- a/libraries/stdlib/js/ReadMe.md
+++ b/libraries/stdlib/js/ReadMe.md
@@ -1,9 +1,9 @@
 ## Kotlin Standard Library for JS
 
-This module produces a `kotlin-stdlib-js` jar which contains all the Kotlin source code for the runtime and standard kotlin library code (both definitions and implementation code) compiled to JavaScript.
+This module produces a `kotlin-stdlib-js` jar which contains all the Kotlin standard kotlin library code compiled to JavaScript.
 
-The tests of this module can be run and debugged inside any browser by opening the **web/index.html** file in this directory to run the test cases using [Qunit](http://qunitjs.com/).
+The tests of this module can be run and debugged inside any browser by opening the **web/index.html** file in this directory to run the test cases using [Mocha](https://mochajs.org/).
 
-You should execute `karmaDependencies` gradle task before running these tests to fetch the required Qunit dependency.
+You should execute `installMocha` gradle task before running these tests to fetch the required Mocha dependency and `testClasses` task to compile test code.
 
-These tests are also run during CI build with [gradle karma plugin](https://github.com/craigburke/karma-gradle) in PhantomJS browser.
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+These tests are also run during CI build with [Node.js plugin](https://github.com/srs/gradle-node-plugin).
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