Mention nightly requirement

colin-kiegel · Oct 11, 2016 · d616575 · d616575
1 parent b5b419a
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Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/README.md b/README.md
@@ -6,7 +6,8 @@
 
 [Rust][rust] macro to automatically implement the **builder pattern** for arbitrary structs. A simple `#[derive(Builder)]` will generate code of public setter-methods for all struct fields.
 
-**This is a work in progress.** Use it at your own risk.
+**This is a work in progress.** Use it at your own risk.  
+**This currently requires Rust nightly, due to the usage of Macros 1.1**
 
 And this is how it works: