From 1b29dc1ef60ba452d4552b1e14365fc62013aa02 Mon Sep 17 00:00:00 2001
From: Alexander Soong <alexsoong91@gmail.com>
Date: Wed, 17 Oct 2018 20:11:58 -0700
Subject: [PATCH] Update comments

---
 .../exchange-wrappers/lib/ZeroExOrderDataHandler.sol  | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/contracts/core/exchange-wrappers/lib/ZeroExOrderDataHandler.sol b/contracts/core/exchange-wrappers/lib/ZeroExOrderDataHandler.sol
index 68d598b13..e572e0a4c 100644
--- a/contracts/core/exchange-wrappers/lib/ZeroExOrderDataHandler.sol
+++ b/contracts/core/exchange-wrappers/lib/ZeroExOrderDataHandler.sol
@@ -139,9 +139,14 @@ library ZeroExOrderDataHandler {
         return order;
     }
 
-    // Add some docs here
+    /*
+     * Encodes an erc20 token address into 0x asset data
+     *
+     * @param  _tokenAddress    Address of token to encode into 0x asset data
+     * @return bytes            0x asset data representation of a token
+     */
     function tokenAddressToAssetData(
-        address tokenAddress
+        address _tokenAddress
     )
         private
         pure
@@ -154,7 +159,7 @@ library ZeroExOrderDataHandler {
 
         assembly {
             mstore(add(result, 32), selector)
-            mstore(add(result, 36), tokenAddress)
+            mstore(add(result, 36), _tokenAddress)
         }
 
         return result;