Fix spelling mistake on homepage, thanks Oge

source/index.html

@@ -14,7 +14,7 @@ suppress_header: true
           <p class="text-center">
             GitLab offers git repository management, code reviews, issue tracking, activity feeds and wiki's.
             Enterprises install GitLab on-premise and connect it with LDAP and Active Directory servers for secure authentication and authorization.
-            A single GitLab server can handle more than 25,000 users but it is also possible to create a high availability setup with a multiple active servers.
+            A single GitLab server can handle more than 25,000 users but it is also possible to create a high availability setup with multiple active servers.
           </p>
           <div class="landing-button">