Fix link

Author: spastorino

posts/inside-rust/2020-01-27-Cleanup-Crew-ICE-breakers.md

@@ -37,7 +37,7 @@ bug, we'll write a message that `@`-mentions every Github user on that
 team. If you have some time, maybe you can provide some useful
 information.
 
-[open a PR]: https://rust-lang.github.io/rustc-guide/ice-breaker/about.html#join
+[instructions here]: https://rust-lang.github.io/rustc-guide/ice-breaker/about.html#join
 
 You can find more information about the group on it's [rustc-guide
 section](https://rust-lang.github.io/rustc-guide/ice-breaker/cleanup-crew.html).