link to memory perf improvements in the 2021-01-12 report

Author: rylev

triage/2021-01-12.md

@@ -46,7 +46,7 @@ Serialize incr comp structures to file via fixed-size buffer [#80463](https://gi
 - Large improvement in [instruction counts](https://perf.rust-lang.org/compare.html?start=467f5e99a541db94235f0c173bdffc8aeb177522&end=8234db5bc7b122dd9e39d738c30bcae005a96568&stat=instructions:u) (up to -8.9% on `incr-unchanged` builds of `ctfe-stress-4-check`)
 - Moderate regression in [instruction counts](https://perf.rust-lang.org/compare.html?start=467f5e99a541db94235f0c173bdffc8aeb177522&end=8234db5bc7b122dd9e39d738c30bcae005a96568&stat=instructions:u) (up to 3.1% on `incr-unchanged` builds of `clap-rs-check`)
 - Improvement is in synthetic benchmarks while regressions are largely in real world crates.
-- This change was done largely to reduce memory footprint size and the perf impact [was deemed worth it](https://github.com/rust-lang/rust/pull/80463#issuecomment-758120283)
+- This change was done largely to reduce [memory footprint size](https://perf.rust-lang.org/compare.html?start=467f5e99a541db94235f0c173bdffc8aeb177522&end=8234db5bc7b122dd9e39d738c30bcae005a96568&stat=max-rss) and the perf impact [was deemed worth it](https://github.com/rust-lang/rust/pull/80463#issuecomment-758120283)
 
 #### Nags requiring follow up