diff --git a/src/float_ord.rs b/src/float_ord.rs
index ce562694..0c81217d 100644
--- a/src/float_ord.rs
+++ b/src/float_ord.rs
@@ -5,6 +5,10 @@
 /* Adapted from https://github.com/notriddle/rust-float-ord revision e995165f
  * maintained by Michael Howell <michael@notriddle.com>
  * licensed under MIT / Apache-2.0 licenses
+ * 
+ * This version drops any dependency on rand.
+ * Caution: Don't pull the version from crates.io
+ * before making sure rand is optional.
  */
 
 extern crate core;