Update README.md

Co-authored-by: Doug Gregor <dgregor@apple.com>

Author: keith

README.md

@@ -97,7 +97,7 @@ If you should hit any issues while using SwiftSyntax, we appreciate bug reports
 
 ## Bazel
 
-SwiftSyntax provides [bazel](https://bazel.build) build configuration.
+SwiftSyntax provides an experimental [Bazel](https://bazel.build) build configuration, maintained by Keith Smiley. 
 To use it you can pull the source archive from the relevant release tag
 into your `WORKSPACE` and depend on the libraries you need from the
 [`BUILD.bazel`](BUILD.bazel) file. Each library also has an associated