diff --git a/test/fixtures/inspector-instrumentation-breakpoint/dep.js b/test/fixtures/inspector-instrumentation-breakpoint/dep.js
index ebc9d24306de57..e2ba44676df631 100644
--- a/test/fixtures/inspector-instrumentation-breakpoint/dep.js
+++ b/test/fixtures/inspector-instrumentation-breakpoint/dep.js
@@ -1 +1 @@
-console.log("dep loaded");
+console.log('dep loaded');
diff --git a/test/fixtures/inspector-instrumentation-breakpoint/main.js b/test/fixtures/inspector-instrumentation-breakpoint/main.js
index ff740fc52495ca..a0b8fdf1c94ad4 100644
--- a/test/fixtures/inspector-instrumentation-breakpoint/main.js
+++ b/test/fixtures/inspector-instrumentation-breakpoint/main.js
@@ -1 +1 @@
-require("./dep");
\ No newline at end of file
+require('./dep');
diff --git a/test/known_issues/test-inspector-instrumentation-breakpoint.js b/test/known_issues/test-inspector-instrumentation-breakpoint.js
index a975c2fa28e6ac..916b05b77212d1 100644
--- a/test/known_issues/test-inspector-instrumentation-breakpoint.js
+++ b/test/known_issues/test-inspector-instrumentation-breakpoint.js
@@ -1,3 +1,6 @@
+// This test validates inspector's Debugger.setInstrumentationBreakpoint method.
+// Refs: https://github.com/nodejs/node/issues/31138
+
 'use strict';
 const common = require('../common');