diff --git a/doc/fortunes.fun b/doc/fortunes.fun
index aa5b45358b..b54e6ab44b 100644
--- a/doc/fortunes.fun
+++ b/doc/fortunes.fun
@@ -159,3 +159,5 @@ Hello Mr. Anderson
 try pressing the pigeon-shaped button
 What has been executed cannot be unexecuted
 What about taking a break? Here, have this nice 0xCC.
+r2 is meant to be read by machines.
+prove you are a robot to continue...