Update README.md

Author: ketanyekale

README.md

@@ -10,7 +10,7 @@ This is a reference application showcasing the integration of [CometChat's Andro
     display: flex;
     align-items: center;
     justify-content: center;">
-   <img src="./Screenshots/overview_cometchat_screens.png" alt="login" >
+   <img src="./Screenshots/overview_cometchat_screens.png" >
 </div>
 
 ## Prerequisites