diff --git a/README.md b/README.md
index 42d25c2..750b296 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,9 @@ Join the party:
 $ ssh chat.shazow.net
 ```
 
-(Apologies if the server is down.)
+The server's RSA key fingerprint is `e5:d5:d1:75:90:38:42:f6:c7:03:d7:d0:56:7d:6a:db`. If you see something different, you might be [MITM](https://en.wikipedia.org/wiki/Man-in-the-middle_attack)'d.
+
+(Apologies if the server is down, try again shortly.)
 
 
 ## Quick Start