Fill out README fields
diff --git a/Cargo.toml b/Cargo.toml
index 9ad65af..77ebece 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,6 +2,17 @@
name = "proc-macro2"
version = "0.1.0"
authors = ["Alex Crichton <alex@alexcrichton.com>"]
+license = "MIT/Apache-2.0"
+readme = "README.md"
+keywords = ["macros"]
+repository = "https://github.com/alexcrichton/proc-macro2"
+homepage = "https://github.com/alexcrichton/proc-macro2"
+documentation = "https://docs.rs/proc-macro2"
+description = """
+A stable implementation of the upcoming new `proc_macro` API. Comes with an
+option, off by default, to also reimplement itself in terms of the upstream
+unstable API.
+"""
[lib]
doctest = false