Correct usage of the multiplication symbol (×)

I also cleaned up the spacing around it a bit.

Author: bbarenblat

about/index.html

@@ -61,10 +61,10 @@ <h2 id="specs">
   named <code>primary-key</code> and <code>foreign-key</code>. Both of
   these servers have
   <ul>
-    <li>2x Intel Xeon E5430 (4x2.66GHz) CPUs</li>
-    <li>32GB DDR2-667 ECC RAM</li>
-    <li>2x2TB SATA Hard Drives in RAID1 (mirroring)</li>
-    <li>2x512GB SSDs in RAID1 (mirroring)</li>
+    <li>2 &times; Intel Xeon E5430 (4 &times; 2.66 GHz) CPUs</li>
+    <li>32 GB DDR2-667 ECC RAM</li>
+    <li>2 &times; 2 TB SATA hard drives in RAID 1 (mirroring)</li>
+    <li>2 &times; 512 GB SSDs in RAID 1 (mirroring)</li>
   </ul>
 </p>
 <h2 id="access">