From d3e03744cdbc12bd1956fd5d921fc2331e4ee5cf Mon Sep 17 00:00:00 2001
From: Leonid Logvinov <logvinov.leon@gmail.com>
Date: Fri, 17 Nov 2017 13:06:10 -0600
Subject: Improve the comment

---
 packages/0x.js/src/order_watcher/expiration_watcher.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'packages')

diff --git a/packages/0x.js/src/order_watcher/expiration_watcher.ts b/packages/0x.js/src/order_watcher/expiration_watcher.ts
index 1a9e9a418..5153cd8b9 100644
--- a/packages/0x.js/src/order_watcher/expiration_watcher.ts
+++ b/packages/0x.js/src/order_watcher/expiration_watcher.ts
@@ -10,7 +10,8 @@ import {ZeroEx} from '../0x';
 const DEFAULT_ORDER_EXPIRATION_CHECKING_INTERVAL_MS = 50;
 
 /**
- * This class includes all the functionality related to prunning expired orders
+ * This class includes the functionality to detect expired orders.
+ * It stores them in a min heap by expiration time and checks for expired ones every `orderExpirationCheckingIntervalMs`
  */
 export class ExpirationWatcher {
     private orderHashHeapByExpiration: Heap<string>;
-- 
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