diff --git a/05_html_jQuery/desc b/05_html_jQuery/desc
index 98d5c3f..7a2202e 100644
--- a/05_html_jQuery/desc
+++ b/05_html_jQuery/desc
@@ -5,7 +5,7 @@ Write jQuery parser for the entries on arxiv (title, authors, abstract, journal,
You might find https://jsfiddle.net/ useful or simply use some local file editor.
-Extra task:
+Mandatory task:
Write a To-do application in html using jQuery. The application should have a few buttons like "Add", "Remove", "Mark as done". Use jQuery to manipulate html.