docs: clarify “dag” in std::sys_common doc comment

ColtenOuO · ColtenOuO · commit 3c11029acef4 · 2025-07-11T11:53:47.000+08:00
diff --git a/library/std/src/sys_common/mod.rs b/library/std/src/sys_common/mod.rs
@@ -11,7 +11,7 @@
 //! This is because `sys_common` not only contains platform-independent code,
 //! but also code that is shared between the different platforms in `sys`.
 //! Ideally all that shared code should be moved to `sys::common`,
-//! and the dependencies between `std`, `sys_common` and `sys` all would form a dag.
+//! and the dependencies between `std`, `sys_common` and `sys` all would form a DAG.
 //! Progress on this is tracked in #84187.
 
 #![allow(missing_docs)]
