Fix word repetition in comment
@@ -15,8 +15,8 @@ import (
// and determine if a request API error should be retried.
//
// client.DefaultRetryer is the SDK's default implementation of the Retryer. It
-// uses the which uses the Request.IsErrorRetryable and Request.IsErrorThrottle
-// methods to determine if the request is retried.
+// uses the Request.IsErrorRetryable and Request.IsErrorThrottle methods to
+// determine if the request is retried.
type Retryer interface {
// RetryRules return the retry delay that should be used by the SDK before
// making another request attempt for the failed request.
