From a8155f3d2542bf2ae3e23122d8151eaf17db3280 Mon Sep 17 00:00:00 2001
From: kiel barry <kiel.j.barry@gmail.com>
Date: Mon, 14 May 2018 09:44:09 -0700
Subject: [PATCH] ethdb: updates to pr

---
 ethdb/database.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ethdb/database.go b/ethdb/database.go
index 41357ea65c..3e8cab1b52 100644
--- a/ethdb/database.go
+++ b/ethdb/database.go
@@ -154,7 +154,7 @@ func (db *LDBDatabase) Close() {
 	}
 }
 
-// LDB returns the memory address for leveldb.DB.
+// LDB returns the internal leveldb.DB instance.
 func (db *LDBDatabase) LDB() *leveldb.DB {
 	return db.db
 }
@@ -361,7 +361,8 @@ func (db *LDBDatabase) meter(refresh time.Duration) {
 	}
 }
 
-// NewBatch populates the ldbBatch for read and writes to the db.
+// NewBatch creates a memory buffer to group together database writes and flush
+// them out in one go. Batches are not atomic, just an performance optimization.
 func (db *LDBDatabase) NewBatch() Batch {
 	return &ldbBatch{db: db.db, b: new(leveldb.Batch)}
 }