diff --git a/compiler/rustc_target/src/abi/call/csky.rs b/compiler/rustc_target/src/abi/call/csky.rs
index 75b453daa4f..bbe95fa20ac 100644
--- a/compiler/rustc_target/src/abi/call/csky.rs
+++ b/compiler/rustc_target/src/abi/call/csky.rs
@@ -1,4 +1,4 @@
-//see https://github.com/llvm/llvm-project/blob/main/llvm/lib/Target/CSKY/CSKYCallingConv.td
+// See https://github.com/llvm/llvm-project/blob/d85b94bf0080dcd780656c0f5e6342800720eba9/llvm/lib/Target/CSKY/CSKYCallingConv.td
 use crate::abi::call::{ArgAbi, FnAbi};
 
 fn classify_ret<Ty>(ret: &mut ArgAbi<'_, Ty>) {