Update challenge_1.md

Author: shivaylamba

Challenges/challenge_1.md

@@ -4,7 +4,7 @@ Welcome to the first challenge!
 We will start off with an easy task. 
 
 Task: 
-Create a (new issue)[https://github.com/scaleracademy/scaler-september-open-source-challenge/issues/new] on this repository with the following details to be added to the content of the issue: 
+Create a [new issue](https://github.com/scaleracademy/scaler-september-open-source-challenge/issues/new) on this repository with the following details to be added to the content of the issue: 
 
 ```
 name: Add your name here