diff --git a/en/exposure_notifications.md b/en/exposure_notifications.md
index e2b0eaf34e781e571cc019d317425c712c4faf21..b0caa0b3c7b9a63fd6417df1b5cde00eb9267ca0 100644
--- a/en/exposure_notifications.md
+++ b/en/exposure_notifications.md
@@ -14,7 +14,7 @@ a Merge Request which implements this functionality. If you have a working toolc
 please try and build this MR, as you will have to most up-to-date version.
 
 If you do not have a working toolchain, you can download a [pre-build image](/release/card10-exno-r1.zip).
-Simply unzip the archive and merge it onto your card10. See the [firmware update page](firmwareupdate) for details. Most importantly
+Simply unzip the archive and merge it onto your card10. See the [firmware update page](/en/firmwareupdate) for details. Most importantly
 always use the "safely eject" functionality of your operating system after writing files to the card10.
 
 To use the BLE features of the card10 make sure to enable BLE in the `Bluetooth` app.
diff --git a/en/firmwareupdate.md b/en/firmwareupdate.md
index 92b3e1865f86ed1fb58b7dce6ed1fa938c185eaa..ea341a61fb5a2300e645997de68a6f3a15ad3bab 100644
--- a/en/firmwareupdate.md
+++ b/en/firmwareupdate.md
@@ -15,6 +15,15 @@ title: Current Release
 
 ---
 
+# Experimental Releases
+
+These releases are untested and must be considered faulty. Always create a backup of the files on your
+card10 before applying them. Please follow the steps mentioned above.
+
+- [Exposure Notifications](/en/exposure_notifications.md): https://card10.badge.events.ccc.de/release/card10-exno-r1.zip
+
+---
+
 # Previous Releases
 # Nettle (2019-12-29)
 - Firmware Download: https://card10.badge.events.ccc.de/release/card10-v1.14-Nettle.zip