diff --git a/README.md b/README.md
index 078a10e..6605638 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Golang Kinesis Consumer
 
-[![Build Status](https://travis-ci.com/harlow/kinesis-consumer.svg?branch=master)](https://travis-ci.com/harlow/kinesis-consumer) [![GoDoc](https://godoc.org/github.com/harlow/kinesis-consumer?status.svg)](https://godoc.org/github.com/harlow/kinesis-consumer)
+![technology Go](https://img.shields.io/badge/technology-go-blue.svg) [![Build Status](https://travis-ci.com/harlow/kinesis-consumer.svg?branch=master)](https://travis-ci.com/harlow/kinesis-consumer) [![GoDoc](https://godoc.org/github.com/harlow/kinesis-consumer?status.svg)](https://godoc.org/github.com/harlow/kinesis-consumer) [![GoReportCard](https://goreportcard.com/badge/github.com/harlow/kinesis-consumer)](https://goreportcard.com/report/harlow/kinesis-consumer)
 
 __Note:__ This repo is under active development adding [Consumer Groups #42](https://github.com/harlow/kinesis-consumer/issues/42). Master should always be deployable, but expect breaking changes in master over the next few months.
 
diff --git a/options.go b/options.go
index be306da..af7ce2e 100644
--- a/options.go
+++ b/options.go
@@ -51,7 +51,7 @@ func WithShardIteratorType(t string) Option {
 	}
 }
 
-// Timestamp overrides the starting point for the consumer
+// WithTimestamp overrides the starting point for the consumer
 func WithTimestamp(t time.Time) Option {
 	return func(c *Consumer) {
 		c.initialTimestamp = &t
diff --git a/store/ddb/ddb.go b/store/ddb/ddb.go
index 0b5c9b5..dea0d86 100644
--- a/store/ddb/ddb.go
+++ b/store/ddb/ddb.go
@@ -84,7 +84,7 @@ type item struct {
 	SequenceNumber string `json:"sequence_number"`
 }
 
-// Get determines if a checkpoint for a particular Shard exists.
+// GetCheckpoint determines if a checkpoint for a particular Shard exists.
 // Typically used to determine whether we should start processing the shard with
 // TRIM_HORIZON or AFTER_SEQUENCE_NUMBER (if checkpoint exists).
 func (c *Checkpoint) GetCheckpoint(streamName, shardID string) (string, error) {
diff --git a/store/ddb/retryer.go b/store/ddb/retryer.go
index bad3049..646bb6c 100644
--- a/store/ddb/retryer.go
+++ b/store/ddb/retryer.go
@@ -10,10 +10,12 @@ type Retryer interface {
 	ShouldRetry(error) bool
 }
 
+// DefaultRetryer .
 type DefaultRetryer struct {
 	Retryer
 }
 
+// ShouldRetry when error occured
 func (r *DefaultRetryer) ShouldRetry(err error) bool {
 	if awsErr, ok := err.(awserr.Error); ok {
 		if awsErr.Code() == dynamodb.ErrCodeProvisionedThroughputExceededException {