Add Hotel Management System Related Design Link

Author: Tusamma Sal Sabil

readme.md

@@ -37,7 +37,7 @@
  <br />
  <a href="object-oriented-design-case-studies/design-blackjack-and-a-deck-of-cards.md"><b>Design Blackjack and a Deck of Cards</b></a>
  <br />
- <a href="object-oriented-design-case-studies/"><b>Design a Hotel Management System</b></a>
+ <a href="object-oriented-design-case-studies/design-a-hotel-management-system.md"><b>Design a Hotel Management System</b></a>
  <br />
  <a href="object-oriented-design-case-studies/"><b>Design a Restaurant Management system</b></a>
  <br />