update docs

1 files changed, 3 insertions, 3 deletions

diff --git a/skate/zipkey/batch.go b/skate/zipkey/batch.go
index 85d1d35..9924b65 100644
--- a/skate/zipkey/batch.go
+++ b/skate/zipkey/batch.go
@@ -17,7 +17,7 @@ type Batcher struct {
 	closing    bool // https://stackoverflow.com/q/16105325/89391
 }
 
-// NewBatcher set ups a new Batcher.
+// NewBatcher set ups a new Batcher with a batch size of 1000.
 func NewBatcher(gf groupFunc) *Batcher {
 	return NewBatcherSize(gf, 1000)
 }
@@ -50,8 +50,8 @@ func (b *Batcher) Close() error {
 	return b.err
 }
 
-// GroupFunc implement the groupFunc type. Not thread safe. Panics if called
-// after Close.
+// GroupFunc is a drop for a groupFunc. Use this function, where you used
+// grouper before. Not thread safe. Panics if called after Close.
 func (b *Batcher) GroupFunc(g *Group) error {
 	if b.closing {
 		panic("cannot call GroupFunc after Close")