Clarify regression

Author: Kobzol

triage/2025-03-11.md

@@ -114,7 +114,7 @@ Rollup of 25 pull requests [#138114](https://github.com/rust-lang/rust/pull/1381
 | Improvements ✅ <br /> (secondary) | -0.4% | [-0.5%, -0.3%] | 8     |
 | All ❌✅ (primary)                 | -     | -              | 0     |
 
-- The large regression was caused by [#137534](https://github.com/rust-lang/rust/pull/137534). The regression hasn't been fixed yet, it is being tracked in [#138168](https://github.com/rust-lang/rust/issues/138168).
+- The large regression in rustdoc was caused by [#137534](https://github.com/rust-lang/rust/pull/137534). The regression hasn't been fixed yet, it is being tracked in [#138168](https://github.com/rust-lang/rust/issues/138168).
 - Not marking as triaged yet.
 
 Use `trunc nuw`+`br` for 0/1 branches even in optimized builds [#137500](https://github.com/rust-lang/rust/pull/137500) [(Comparison Link)](https://perf.rust-lang.org/compare.html?start=07292ccccde8b64d87036b2f90b70bc54ab68456&end=efea9896f506baa08f40444e07774e827646d57a&stat=instructions:u)