diff --git a/book/src/become-a-validator.md b/book/src/become-a-validator.md
index 6427b414f..61fa9c280 100644
--- a/book/src/become-a-validator.md
+++ b/book/src/become-a-validator.md
@@ -1,5 +1,17 @@
 # Become an Ethereum 2.0 Testnet Validator
 
+---
+
+**The Schlesi testnet is currently down.**
+
+Please do not submit any deposits. For updates, see:
+
+- The Lighthouse ["announcements"](https://discord.gg/cE3GEy) Discord channel.
+- The Eth R&D ["Schlesi"](https://discord.gg/GQwzr7) Discord channel.
+- [goerli/witti](https://github.com/goerli/witti) for technical information.
+
+---
+
 Running a Lighthouse validator is easy if you're familiar with the terminal.
 
 Lighthouse runs on Linux, MacOS and Windows and has a Docker work-flow to make things as simple as possible.