diff --git a/lib/singlepass-backend/src/lib.rs b/lib/singlepass-backend/src/lib.rs
index fd4f94c71..d9f61d68e 100644
--- a/lib/singlepass-backend/src/lib.rs
+++ b/lib/singlepass-backend/src/lib.rs
@@ -20,7 +20,14 @@
     all(target_os = "android", target_arch = "x86_64"),
     all(target_os = "android", target_arch = "aarch64"),
 )))]
-compile_error!("This crate doesn't yet support compiling on operating systems other than FreeBSD, linux and macos and architectures other than x86_64");
+compile_error!("This crate doesn't yet support compiling on operating systems and architectures other than these:
+       - FreeBSD and x86_64
+       - FreeBSD and AArch64
+       - macOS and x86_64
+       - Linux and x86_64
+       - Linux and AArch64
+       - Android and x86_64
+       - Android and AArch64");
 
 extern crate dynasmrt;