diff --git a/snippets/clean-json-objects.md b/snippets/clean-json-objects.md
index 2835b37fd..5268e3911 100644
--- a/snippets/clean-json-objects.md
+++ b/snippets/clean-json-objects.md
@@ -1,7 +1,7 @@
 ### Clean Json objects
 
-Clean your json object from unwanted keys, deeply.
-provide set of `keys` to keep and an indicator for `children` if there is any.
+Use `Object.keys()` method to iter through given json object and deleting keys that are not `include`d in given array.
+also if you give it a special key(`childIndicator`) it will search deeply inside it to apply function to inner objects too.
 
 ```js
 const cleanObj = (obj, keys = [], childIndicator) => {
@@ -14,8 +14,8 @@ const cleanObj = (obj, keys = [], childIndicator) => {
   })
 }
 /*
-  dirtyObj = {a: 1, b: 2, children: {a: 1, b: 2}}
-  cleanObj(dirtyObj, ["a"],"children")
-  console.log(dirtyObj)// { a: 1, children : { a: 1}}
+  testObj = {a: 1, b: 2, children: {a: 1, b: 2}}
+  cleanObj(testObj, ["a"],"children")
+  console.log(testObj)// { a: 1, children : { a: 1}}
 */
 ```