Clarify Write.as markdown footnote

index.html

@@ -272,7 +272,7 @@
 		</p>
 
 		<p>
-		<a name="f2"><sup>2</sup></a> Markdown supported automatically on Write.as blog posts, or by adding <code>.md</code> to a post URL.
+		<a name="f2"><sup>2</sup></a> Markdown is supported automatically on Write.as blog posts, or by adding <code>.md</code> to an anonymous post URL.
 		</p>
 
 		<p>