diff --git a/README.adoc b/README.adoc
index 7c5cdd6..f179a97 100644
--- a/README.adoc
+++ b/README.adoc
@@ -19720,6 +19720,24 @@ Examples:
 ** link:rootfs_overlay/lkmc/nodejs/read_stdin_to_string.js[] Question: https://stackoverflow.com/questions/30441025/read-all-text-from-stdin-to-a-string
 * `class`
 ** link:rootfs_overlay/lkmc/nodejs/object_to_string.js[]: `util.inspect.custom` and `toString` override experiment: https://stackoverflow.com/questions/24902061/is-there-an-repr-equivalent-for-javascript/26698403#26698403
++
+Output:
++
+....
+util.inspect
+my type is MyClassUtilInspectCustom and a is 1 and b is 2
+console.log
+my type is MyClassUtilInspectCustom and a is 1 and b is 2
+toString
+[object Object]
+
+util.inspect
+MyClassToString { a: 1, b: 2 }
+console.log
+MyClassToString { a: 1, b: 2 }
+toString
+my type is MyClassToString and a is 1 and b is 2
+....
 
 ===== NPM
 
diff --git a/rootfs_overlay/lkmc/nodejs/object_to_string.js b/rootfs_overlay/lkmc/nodejs/object_to_string.js
index 73100e0..66e5b47 100755
--- a/rootfs_overlay/lkmc/nodejs/object_to_string.js
+++ b/rootfs_overlay/lkmc/nodejs/object_to_string.js
@@ -16,9 +16,13 @@ class MyClassUtilInspectCustom {
 }
 
 let my_object = new MyClassUtilInspectCustom(1, 2);
+console.log('util.inspect');
 console.log(util.inspect(my_object));
+console.log('console.log');
 console.log(my_object);
+console.log('toString');
 console.log(my_object.toString());
+console.log();
 
 class MyClassToString {
   constructor(a, b) {
@@ -31,6 +35,9 @@ class MyClassToString {
 }
 
 my_object = new MyClassToString(1, 2);
+console.log('util.inspect');
 console.log(util.inspect(my_object));
+console.log('console.log');
 console.log(my_object);
+console.log('toString');
 console.log(my_object.toString());