Changed alt text for posters

Author: AdityaSA99

index.html

@@ -94,7 +94,7 @@ <h3>We are a team of students in GITAM that aim to promote coding as being fun,
 				<div class="intro-content col-sm-10 offset-sm-1 col-lg-5 offset-lg-1 d-flex justify-content-center align-items-center flex-column">
 					<h3>Code Hackathon Week #9 🤭</h3>
 					<br />
-					<img style="background: #353b32;" class="poster" src="assets/poster/w9.jpg" alt="Rookie Hour #2 Poster">
+					<img style="background: #353b32;" class="poster" src="assets/poster/w9.jpg" alt="Code Hackathon Week #9 Poster">
 					<br />
 					<h4 class="text-light">We're back with Week #9 on 24<sup>th</sup> August, 2019 from 11:00 PM onwards. Stay tuned for more updates!</h4><br>
 					<a href="https://bit.ly/w9-reg" class="btn btn-success" target="_blank">Register Now!</a>

schedule.html

@@ -88,7 +88,7 @@ <h1>Schedule</h1>
 
 	<!-- Current week's Poster -->
 
-	<img style="background: #353b32" class="poster" src="assets/poster/w9.jpg" alt="Rookie Hour #2 Poster">
+	<img style="background: #353b32" class="poster" src="assets/poster/w9.jpg" alt="Code Hackathon Week #9 Poster">
 
 
 	<div id="suggestion-grid" class="container">