v2021pre: Typo in relnotes pointing to improved download page

Thanks to Sudarshan for spotting it!

Signed-off-by: Emanuele Aina <emanuele.aina@collabora.com>

content/release/v2021pre/releasenotes.md

@@ -207,7 +207,7 @@ seen some of the attention it deserve, with plenty of cleanups and fixes.
 
 ### Improved image download page
 
-The new [download page]({{{< ref "download.md" >}}) provides a streamlined way
+The new [download page]({{< ref "download.md" >}}) provides a streamlined way
 for users to find the right download matching their needs, addressing some
 challenges with the raw indexing of all the release artifacts.