diff --git a/gcc/rust/util/rust-lang-item.h b/gcc/rust/util/rust-lang-item.h
index 414436f0c965..bcf41df559e5 100644
--- a/gcc/rust/util/rust-lang-item.h
+++ b/gcc/rust/util/rust-lang-item.h
@@ -23,12 +23,12 @@
 
 namespace Rust {
 
-// https://github.com/rust-lang/rust/blob/master/library/core/src/ops/arith.rs
 class LangItem
 {
 public:
   enum class Kind
   {
+    // https://github.com/rust-lang/rust/blob/master/library/core/src/ops/arith.rs
     ADD,
     SUBTRACT,
     MULTIPLY,