Fix small errors

Views/Home/Index.cshtml

@@ -7,13 +7,13 @@
         <div class="container">
             <div class="row">
                 <div class="col-lg-12 col-md-12 col-sm-12 col-xs-12 align-self-center text-center">
-                    <h1 class="m-0">The <strong>$STRAT</strong> price in realtime.</h1>
+                    <h1 class="m-0">The <strong>$STRAT</strong> price in real time.</h1>
                     <h1 class="align-middle">
                         <div class="d-inline-block align-middle">
                             <span class="click-edit" spellcheck="false">1</span> STRAT <span class="d-none d-lg-inline-block">=</span>
                         </div>
                         <span class="align-middle display-1 font-weight-bold" id="amount">@(Model.UsdPrice.ToString("C2"))</span>
-                        <span id="lastchange" class="d-block d-lg-inline-block change-@(Model.Last24Change > 0 ? "success":"danger") font-weight-bold"><sup> <span class="d-none d-lg-inline-block">@((Model.Last24Change > 0 ? "+":"-"))</span> @(Model.Last24Change.ToString("P2"))</sup></span>
+                        <span id="lastchange" class="d-block d-lg-inline-block change-@(Model.Last24Change > 0 ? "success":"danger") font-weight-bold"><sup> <span class="d-none d-lg-inline-block">@((Model.Last24Change > 0 ? "+":""))</span> @(Model.Last24Change.ToString("P2"))</sup></span>
                     </h1>
                     <a asp-controller="Home" asp-action="Generator" class="btn-secondary-box"><i class="fa fa-paper-plane"></i> Get a Stratis Address</a>
                 </div>