Explain the reaction log

stroll.html

@@ -202,7 +202,9 @@
         <div>&nbsp;</div>
       </div>
       <div class="log" id="react-log">
-        <div>It's a nice day for a walk</div>
+        <div>It's a nice day for a walk.</div>
+        <div>&nbsp;</div>
+        <div>This log will show automatic actions.</div>
         <div>&nbsp;</div>
       </div>
     </div>