Update task.md

cpxPratik · web-flow · commit f7490c3c9130 · 2017-04-25T13:03:49.000+05:45
Fix typo.
diff --git a/1-js/02-first-steps/01-hello-world/2-hello-alert-ext/task.md b/1-js/02-first-steps/01-hello-world/2-hello-alert-ext/task.md
@@ -6,4 +6,4 @@ importance: 5
 
 Take the solution of the previous task <info:task/hello-alert>. Modify it by extracting the script content into an external file `alert.js`, residing in the same folder.
 
-Open the page, ensures that the alert works.
+Open the page, ensure that the alert works.

Original file line number	Diff line number	Diff line change
`@@ -6,4 +6,4 @@ importance: 5`
`6`	`6`
`7`	`7`	Take the solution of the previous task <info:task/hello-alert>. Modify it by extracting the script content into an external file `alert.js`, residing in the same folder.
`8`	`8`
`9`		`-Open the page, ensures that the alert works.`
	`9`	`+Open the page, ensure that the alert works.`