diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8ccffd6..ab17ead 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changes
 
+* [Enable `#[deprecated]` doc, requires rust 1.9](https://github.com/frewsxcv/rust-threadpool/pull/38)
+
 ## 1.3.0
 
 * [Add barrier sync example](https://github.com/frewsxcv/rust-threadpool/pull/35)
diff --git a/README.md b/README.md
index eaca6ce..3954b20 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,4 @@
-threadpool
-==========
+# threadpool
 
 A thread pool for running a number of jobs on a fixed set of worker threads.
 
@@ -22,6 +21,10 @@ and this to your crate root:
 extern crate threadpool;
 ```
 
+## Minimal requirements
+
+This crate requires rust >= 1.9.0
+
 ## Similar libraries
 
 * [rust-scoped-pool](http://github.com/reem/rust-scoped-pool)