added new snippets

Author: krishna9802

README.md

@@ -14,7 +14,7 @@ One liner clean code snippets in javascript/react with ES6 syntax
 | 1   | [Conditional statement](#conditional-statement)                                                                                                                                                                                                 |
 | 2   | [Add a key-value pair in object conditionally](#add-a-key-value-pair-in-object-conditionally)                                                                                                                                                   |
 | 3   | [Deleting a particular key from object](#deleting-a-particular-key-from-object)                                                                                                                                                                                                    |
-| 4   | [filling-array-with-dummy-values](#deleting-a-particular-key-from-object)                                                                                                                    |
+| 4   | [filling-array-with-dummy-values](#filling-array-with-dummy-values)                                                                                                                    |