Update triage/2021-01-20.md

Co-authored-by: LingMan <LingMan@users.noreply.github.com>

Author: Mark-Simulacrum

triage/2021-01-20.md

@@ -23,7 +23,7 @@ Update cargo [#80974](https://github.com/rust-lang/rust/issues/80974)
 
 implement ptr::write without dedicated intrinsic [#80290](https://github.com/rust-lang/rust/issues/80290)
 - Small regression in [instruction counts](https://perf.rust-lang.org/compare.html?start=63a83c5f55801b17b77adf690db397d17c706c48&end=492b83c6971c390af7a42932869502224ef55ef7&stat=instructions:u) (up to 1.2% on `full` builds of `regex-debug`)
-- Small regex-debug full builds regression specifically in the `LLVM_module_codegen_emit_obj` query. This largely effects debug builds due to this previously being an instrinsic but now requiring LLVM to optimize it to its previously efficient form.
+- Small regex-debug full builds regression specifically in the `LLVM_module_codegen_emit_obj` query. This largely affects debug builds due to this previously being an instrinsic but now requiring LLVM to optimize it to its previously efficient form.
 - An idea for gaining the performance back can be found [here](https://github.com/rust-lang/rust/pull/80290#issuecomment-763583590)
 
 #### Improvements
@@ -70,4 +70,3 @@ Remove PredicateKind and instead only use Binder<PredicateAtom> [#80679](https:/
 #### Nags requiring follow up
 
 * Still need a follow up to one of last weeks [perf regressions](https://github.com/rust-lang/rust/pull/80441).
-