diff --git a/lib/internal/modules/cjs/loader.js b/lib/internal/modules/cjs/loader.js
index 451b7c2195e7ad..669cab75d35450 100644
--- a/lib/internal/modules/cjs/loader.js
+++ b/lib/internal/modules/cjs/loader.js
@@ -1571,6 +1571,11 @@ function getMaybeCachedSource(mod, filename) {
   return content;
 }
 
+/**
+ * Built-in handler for `.cts` files.
+ * @param {Module} module The module to compile
+ * @param {string} filename The file path of the module
+ */
 function loadCTS(module, filename) {
   if (isUnderNodeModules(filename)) {
     throw new ERR_UNSUPPORTED_NODE_MODULES_TYPE_STRIPPING(filename);
diff --git a/test/es-module/test-typescript-eval.mjs b/test/es-module/test-typescript-eval.mjs
index 120b66a1d26017..be467721577826 100644
--- a/test/es-module/test-typescript-eval.mjs
+++ b/test/es-module/test-typescript-eval.mjs
@@ -98,7 +98,7 @@ test('expect fail eval TypeScript CommonJS syntax with input-type module', async
   strictEqual(result.code, 1);
 });
 
-test('expect fail eval TypeScript CommonJS syntax with input-type module', async () => {
+test('expect fail eval TypeScript ESM syntax with input-type commonjs', async () => {
   const result = await spawnPromisified(process.execPath, [
     '--experimental-strip-types',
     '--input-type=commonjs',
diff --git a/test/es-module/test-typescript.mjs b/test/es-module/test-typescript.mjs
index 0a713a36e42ace..d01623cec37a4e 100644
--- a/test/es-module/test-typescript.mjs
+++ b/test/es-module/test-typescript.mjs
@@ -276,7 +276,7 @@ test('execute a TypeScript file with CommonJS syntax requiring .mts', async () =
   strictEqual(result.code, 1);
 });
 
-test('execute a TypeScript file with CommonJS syntax requiring .mts with require-module', async () => {
+test('execute a TypeScript file with CommonJS syntax requiring .mts using require-module', async () => {
   const result = await spawnPromisified(process.execPath, [
     '--experimental-strip-types',
     '--experimental-require-module',
@@ -288,7 +288,7 @@ test('execute a TypeScript file with CommonJS syntax requiring .mts with require
   strictEqual(result.code, 0);
 });
 
-test('execute a TypeScript file with CommonJS syntax requiring .mts with require-module', async () => {
+test('execute a TypeScript file with CommonJS syntax requiring .cts using commonjs', async () => {
   const result = await spawnPromisified(process.execPath, [
     '--experimental-strip-types',
     '--no-warnings',