From 7b1cd7f211ba66192b98052c98efdb18c9a799d1 Mon Sep 17 00:00:00 2001
From: Sean Bowe <ewillbefull@gmail.com>
Date: Mon, 17 Jul 2017 12:24:00 -0600
Subject: [PATCH] Improve documentation for errors a bit.

---
 src/lib.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 4813c1bfd..b88203706 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -366,9 +366,11 @@ pub trait PrimeFieldRepr: Sized +
     fn mul2(&mut self);
 }
 
+/// An error that may occur when trying to interpret a `PrimeFieldRepr` as a
+/// `PrimeField` element.
 #[derive(Debug)]
 pub enum PrimeFieldDecodingError {
-    // The encoded value is not in the field
+    /// The encoded value is not in the field
     NotInField(String)
 }
 
@@ -390,6 +392,7 @@ impl fmt::Display for PrimeFieldDecodingError {
     }
 }
 
+/// An error that may occur when trying to decode an `EncodedPoint`.
 #[derive(Debug)]
 pub enum GroupDecodingError {
     /// The coordinate(s) do not lie on the curve.