Update experts' link

Author: JohnTitor

src/compiler-team.md

@@ -18,10 +18,12 @@ Currently the compiler team chats in 2 places:
 
 If you're interested in figuring out who can answer questions about a
 particular part of the compiler, or you'd just like to know who works on what,
-check out our [experts directory](https://github.com/rust-lang/compiler-team/blob/master/experts/MAP.md).
+check out our [experts directory][experts].
 It contains a listing of the various parts of the compiler and a list of people
 who are experts on each one.
 
+[experts]: https://github.com/rust-lang/compiler-team/blob/master/content/docs/experts/map.toml
+
 ## Rust compiler meeting
 
 The compiler team has a weekly meeting where we do triage and try to