diff --git a/content/server/_index.md b/content/server/_index.md
index e336737..f980b85 100644
--- a/content/server/_index.md
+++ b/content/server/_index.md
@@ -5,10 +5,12 @@ draft: false
 layout: single
 js: ["server-table"]
 ---
-Here is a list of apps that I am running on my [DigitalOcean 
+Here is a list of apps that I am running on my [AWS EC2][AWS EC2 info] 
+Debian instance/[DigitalOcean 
 droplet][do-droplet]. Their [statuses] are updated every hour using a 
 [Node.js script][update-script] and a [systemd service]/[timer].
 
+[AWS EC2 info]: https://aws.amazon.com/pm/ec2/?gclid=CjwKCAjwyJqzBhBaEiwAWDRJVA8xkzlFBVRieWU_oiTxnHHfRgTnfN9WlnYON3UptS4aTtjaYRbVJRoCju8QAvD_BwE&trk=8c0f4d22-7932-45ae-9a50-7ec3d0775c47&sc_channel=ps&ef_id=CjwKCAjwyJqzBhBaEiwAWDRJVA8xkzlFBVRieWU_oiTxnHHfRgTnfN9WlnYON3UptS4aTtjaYRbVJRoCju8QAvD_BwE:G:s&s_kwcid=AL!4422!3!472464674288!e!!g!!aws%20ec2!11346198414!112250790958
 [do-droplet]: https://www.digitalocean.com/products/droplets/
 [statuses]: https://kevin-mok.com/server-apps.json
 [systemd service]: https://git.kevin-mok.com/Kevin-Mok/server-pages/src/branch/master/server-pages.service
diff --git a/static/pdf b/static/pdf
index ffdbd32..fae1595 160000
--- a/static/pdf
+++ b/static/pdf
@@ -1 +1 @@
-Subproject commit ffdbd320a0f207ac1fd407d9c69dad781eed07bf
+Subproject commit fae1595e327820602c27ee771ee1f6e363a5986c