wording update

templates/home.html

@@ -32,7 +32,7 @@
 
     <!-- Main Content -->
     <div class="container mt-5">
-        <h1>Welcome {{ username }}</h1>
+        <h1>Welcome {{ username }}!</h1>
         <br>
         <h2>You have {{accounts|length}} active accounts</h2>
         <br>