Forward destinations -> Upstreams

Signed-off-by: DL6ER <dl6er@dl6er.de>

index.php

@@ -206,7 +206,7 @@
     <div class="col-md-12 col-lg-6">
     <div class="box" id="forward-destinations">
         <div class="box-header with-border">
-          <h3 class="box-title">Forward Destinations (over time)</h3>
+          <h3 class="box-title">Upstreams (over time)</h3>
         </div>
         <div class="box-body">
           <div class="chart">

scripts/pi-hole/js/index.js

@@ -904,7 +904,7 @@ $(document).ready(function() {
                         var m = parseInt(time[2], 10) || 0;
                         var from = padNumber(h)+":"+padNumber(m-5)+":00";
                         var to = padNumber(h)+":"+padNumber(m+4)+":59";
-                        return "Forward destinations from "+from+" to "+to;
+                        return "Upstreams from "+from+" to "+to;
                     },
                     label: function(tooltipItems, data) {
                         if(tooltipItems.datasetIndex === 1)