Link to the reference for cfg values

steveklabnik · steveklabnik · commit f3f947cc0a25 · 2015-02-14T12:37:54.000-05:00
Fixes #446
diff --git a/examples/attribute/cfg/input.md b/examples/attribute/cfg/input.md
@@ -1,3 +1,7 @@
 The `cfg` attribute can be use to achieve conditional compilation.
 
 {cfg.play}
+
+See [the
+Reference](http://doc.rust-lang.org/reference.html#conditional-compilation) for
+more details.
