Updated wording on welcome page

Author: cburkert

app/pages/welcome.html

@@ -18,12 +18,12 @@ <h2>Hide precise timestamps unless you need them</h2>
         <img src="../images/gh-usage.png" class="screenshot" alt="">
       <div>
       <div id="study">
-        <h2>Contribute anonymous statistics to study</h2>
+        <h2>Contribute statistics to study</h2>
         <div>
           <div>
-            Help us figure out your demands for the precision of timestamps
+            Help us figure out users' demands for the precision of timestamps
             by sharing statistics about the precisions you select in this extension.<br>
-            Opt-in and automatically send daily anonymous reports.
+            Opt-in and automatically send daily privacy-respecting reports.
             <a href="https://empri-devops.de/timestamp-precision-study/" target="_blank">Learn more</a>
           </div>
           <form>