Specify Asterix battery life as of the current firmware

Signed-off-by: Radostin Rusev <mitiku04@gmail.com>

Author: radostin04

source/_includes/hardware-platforms.html

@@ -176,7 +176,7 @@
             <td>~7 days (Pebble Time), ~10 days (Pebble Time Steel)</td>
             <td>~2 days</td>
             <td>~7 days</td>
-            <td colspan="2">~30 days</td>
+            <td colspan="2">~14 days as of PebbleOS v4.9.91<br /><em>(~30 days theoretical)</em></td>
         </tr>
         <tr>
             <td>Water Resistance<sup>*3</sup></td>