Update docs link

The current doc link was broken. replaced with the updated version as found on the front page.

Author: arjo129

docs/dev/README.md

@@ -13,7 +13,7 @@ To learn more about how rust-analyzer works, see [./architecture.md](./architect
 It also explains the high-level layout of the source code.
 Do skim through that document.
 
-We also publish rustdoc docs to pages: https://rust-analyzer.github.io/rust-analyzer/ide/.
+We also publish rustdoc docs to pages: https://rust-lang.github.io/rust-analyzer/ide/.
 Note though, that the internal documentation is very incomplete.
 
 Various organizational and process issues are discussed in this document.