diff --git a/test/common/README.md b/test/common/README.md
index d43b0ebbff39af..5479a39d8c215c 100644
--- a/test/common/README.md
+++ b/test/common/README.md
@@ -68,6 +68,13 @@ sure no unexpected rejections occur, because currently they result in silent
 failures. However, it is useful in some rare cases to disable it, for example if
 the `unhandledRejection` hook is directly used by the test.
 
+### `enoughTestCpu`
+
+* [<boolean>][]
+
+Indicates if there is more than 1 CPU or that the single CPU has a speed of at
+least 1 GHz.
+
 ### `enoughTestMem`
 
 * [<boolean>][]
diff --git a/test/common/index.js b/test/common/index.js
index 2e2d14dc0e6d43..1e66e32c9c1260 100644
--- a/test/common/index.js
+++ b/test/common/index.js
@@ -717,7 +717,7 @@ module.exports = {
   skipIfReportDisabled,
   skipIfWorker,
 
-  get enoughTestCPU() {
+  get enoughTestCpu() {
     const cpus = require('os').cpus();
     return Array.isArray(cpus) && (cpus.length > 1 || cpus[0].speed > 999);
   },