diff --git a/README.md b/README.md
index 274dbaf..c1de4bb 100644
--- a/README.md
+++ b/README.md
@@ -3,11 +3,12 @@
 > Note: the executables built using Cosmo and Rust do not work across the
 > operating systems supported by Cosmopolitan Libc, because Rust decides system
 > constants like `EINVAL` [at
-> compile-time](https://github.com/search?q=repo%3Arust-lang%2Flibc%20EINVAL&type=code),
-> based on the operating system provided in the compilation target. Thus, I
-> expect the fat binaries built here will only work on `x86-64-linux` and
-> `aarch64-linux`. Very well, perhaps in the future we can find a way to have
-> system constants as `extern` values in Rust, like how [I did it for
+> compile-time](https://github.com/search?q=repo%3Arust-lang%2Flibc%20EINVAL&type=code)
+> (see https://github.com/ahgamut/rust-ape-example/issues/3), based on the
+> operating system provided in the compilation target. Thus, I expect the fat
+> binaries built here will only work on `x86-64-linux` and `aarch64-linux`. Very
+> well, perhaps in the future we can find a way to have system constants as
+> `extern` values in Rust, like how [I did it for
 > C](https://github.com/ahgamut/gcc/tree/portcosmo-11.2).
 
 This repository contains a simple `Hello world!` example in the [Rust][rust]