diff --git a/README.md b/README.md
index 78962e4348..98c3a92107 100644
--- a/README.md
+++ b/README.md
@@ -91,7 +91,7 @@ from tinygrad.tensor import Tensor
 
 If all you want to do is ReLU, you are in luck! You can do very fast ReLU (at least 30 MEGAReLUs/sec confirmed)
 
-Requires your Python to be signed with `ane/lib/sign_python.sh` to add the `com.apple.ane.iokit-user-access` entitlement.
+Requires your Python to be signed with `ane/lib/sign_python.sh` to add the `com.apple.ane.iokit-user-access` entitlement, which also requires `amfi_get_out_of_my_way=0x1` in your `boot-args`. Build the library with `ane/lib/build.sh`
 
 ```python
 from tinygrad.tensor import Tensor