diff --git a/cranelift/codegen/src/isa/unwind/winx64.rs b/cranelift/codegen/src/isa/unwind/winx64.rs
index 6c06a8e67d..02600296ff 100644
--- a/cranelift/codegen/src/isa/unwind/winx64.rs
+++ b/cranelift/codegen/src/isa/unwind/winx64.rs
@@ -1,4 +1,4 @@
-//! System V ABI unwind information.
+//! Windows x64 ABI unwind information.
 
 use alloc::vec::Vec;
 use byteorder::{ByteOrder, LittleEndian};