Editorial: fix grammar issue in the "Privacy concerns" section

Closes whatwg#3503.

Author: ediosyncratic

source

@@ -813,8 +813,8 @@ interface <dfn data-x="">Example</dfn> {
 
   <p>There are other mechanisms that are more subtle. Certain characteristics of a user's system can
   be used to distinguish groups of users from each other; by collecting enough such information, an
-  individual user's browser's "digital fingerprint" can be computed, which can be as good, if not
-  better, as an IP address in ascertaining which requests are from the same user.</p>
+  individual user's browser's "digital fingerprint" can be computed, which can be as good as, if not
+  better than, an IP address in ascertaining which requests are from the same user.</p>
 
   <p>Grouping requests in this manner, especially across multiple sites, can be used for both benign
   (and even arguably positive) purposes, as well as for malevolent purposes. An example of a