fix comments

Author: bakape

writer.go

@@ -168,15 +168,16 @@ func (rw *RecordWriter) bind(f *Frontend, k Key) (rec *Record, err error) {
 	return
 }
 
-// Bind to record from passed frontend by key and return a consumable stream
-// of the retrieved record.
+// Bind to record from passed frontend by key and return the retrieved record.
+//
 // The record generated by rw will automatically be evicted from its parent
 // cache on eviction of the included record.
 func (rw *RecordWriter) Bind(f *Frontend, k Key) (*Record, error) {
 	return rw.bind(f, k)
 }
 
 // Bind to record from passed frontend by key and decode it as JSON into dst.
+//
 // The record generated by rw will automatically be evicted from its parent
 // cache on eviction of the included record.
 func (rw *RecordWriter) BindJSON(