diff --git a/README.md b/README.md
index b45f28d..09e2b0d 100644
--- a/README.md
+++ b/README.md
@@ -116,6 +116,8 @@ there should be at least 8 KiB of free stack space, or panicking will result in
 ## Limitations
 
 The architectures currently supported are: x86, x86_64, or1k.
+
+The platforms currently supported are: Linux (any libc), FreeBSD, DragonFly BSD, macOS.
 Windows is not supported (see [explanation](#windows-compatibility) below).
 
 ## Installation