Adjust grammar

index.html

@@ -683,7 +683,7 @@ <h3>My images expire a month from now, but I need to change them in the
 
 <p>The most effective solution is to change any links to them; that way,
 completely new representations will be loaded fresh from the origin server.
-Remember that the page that refers to an representation will be cached as
+Remember that any page that refers to these representations will be cached as
 well. Because of this, it&#8217;s best to make static images and similar
 representations very cacheable, while keeping the HTML pages that refer to
 them on a tight leash.</p>