Update godoc

pkg/pool/bytes.go

@@ -14,7 +14,9 @@ func NewBytes(max int) *Bytes {
 	}
 }
 
-// Get returns a byte slice size with at least sz capacity.
+// Get returns a byte slice size with at least sz capacity. Items
+// returned may not be in the zero state and should be reset by the
+// caller.
 func (p *Bytes) Get(sz int) []byte {
 	var c []byte
 	select {

pkg/pool/generic.go

@@ -1,6 +1,6 @@
 package pool
 
-// Generic is a pool of byte slices that can be re-used.  Slices in
+// Generic is a pool of types that can be re-used.  Items in
 // this pool will not be garbage collected when not in use.
 type Generic struct {
 	pool chan interface{}