minor clarifications

client/core/bookie.go

@@ -254,7 +254,6 @@ func (b *bookie) closeFeeds() {
 		close(f.c)
 	}
 	b.feeds = make(map[uint32]*bookFeed, 1)
-
 }
 
 // candles fetches the candle set from the server and activates the candle
@@ -448,8 +447,8 @@ func (dc *dexConnection) syncBook(base, quote uint32) (*orderbook.OrderBook, Boo
 		dc.books[mktID] = booky
 	}
 
-	// Get the feed and the book under a single lock to make sure the first
-	// message is the book.
+	// Get the feed and the book under a single lock to make sure the first message is "book"
+	// (so that nobody else could send anything on this feed concurrently).
 	feed := booky.newFeed(&BookUpdate{
 		Action:   FreshBookAction,
 		Host:     dc.acct.host,

client/mm/mm_basic.go

@@ -408,7 +408,7 @@ func (m *basicMarketMaker) ordersToPlace() (buyOrders, sellOrders []*TradePlacem
 	if err != nil {
 		return nil, nil, fmt.Errorf("fetch Bison book: %v", err)
 	}
-	defer feed.Close() // have to release resources, otherwise feed isn't used here
+	defer feed.Close() // have to release resources, feed isn't used here otherwise
 
 	// bestBuy falls back to basisPrice-4%, this is a reasonably safe reference point
 	bestBuy := steppedRate(uint64(float64(basisPrice)-0.04*float64(basisPrice)), m.rateStep)