Move to rust-lang-nursery broke README link. (#202)

ehuss · Yamakaky · commit 9cc1c3435729 · 2017-07-30T10:01:59.000+02:00
diff --git a/README.md b/README.md
@@ -12,7 +12,7 @@ error types.
 
 [Documentation (crates.io)](https://docs.rs/error-chain).
 
-[Documentation (master)](https://brson.github.io/error-chain).
+[Documentation (master)](https://rust-lang-nursery.github.io/error-chain).
 
 ## Quick start
 
