Merge pull request #334 from funkygao/master

fix doc bug and add comment for db.dataref

1 files changed, 2 insertions, 2 deletions

diff --git a/db.go b/db.go
index d4c85fb..8f0e90b 100644
--- a/db.go
+++ b/db.go
@@ -73,7 +73,7 @@ type DB struct {
 
 	path     string
 	file     *os.File
-	dataref  []byte
+	dataref  []byte // mmap'ed readonly, write throws SEGV
 	data     *[maxMapSize]byte
 	datasz   int
 	meta0    *meta
@@ -244,7 +244,7 @@ func (db *DB) munmap() error {
 }
 
 // mmapSize determines the appropriate size for the mmap given the current size
-// of the database. The minimum size is 4MB and doubles until it reaches 1GB.
+// of the database. The minimum size is 1MB and doubles until it reaches 1GB.
 // Returns an error if the new mmap size is greater than the max allowed.
 func (db *DB) mmapSize(size int) (int, error) {
 	// Double the size from 1MB until 1GB.