Add missing ')'

layout/post.html

@@ -12,7 +12,7 @@
             <br />
 
             If you have any questions or comments, then feel free to send me an email
-            (Preferably with <a href="{{ email_gpg_url }}">GPG encryption</a> to
+            (Preferably with <a href="{{ email_gpg_url }}">GPG encryption</a>) to
             {{ email_user }} [weird "a" with a circle] {{ email_domain }}.
 
             <p>