From 17a447d8989ed150f89136cc400cc52418eaaf19 Mon Sep 17 00:00:00 2001
From: Chris Wong <lambda.fairy@gmail.com>
Date: Sun, 25 Jan 2015 15:12:00 +1300
Subject: [PATCH] Mention Display trait in docs

---
 maud/src/lib.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/maud/src/lib.rs b/maud/src/lib.rs
index f257396..01e868c 100644
--- a/maud/src/lib.rs
+++ b/maud/src/lib.rs
@@ -145,6 +145,9 @@
 //! ```
 //!
 //! Use `$(expr)` syntax to splice a Rust expression into the output.
+//! The expression may evaluate to anything that implements
+//! `std::fmt::Display`.
+//!
 //! You can omit the brackets if it's just a variable (`$var`), indexing
 //! operation (`$var[0]`), method call (`$var.method()`), or property
 //! lookup (`$var.property`).