diff --git a/exporters/otlp/doc.go b/exporters/otlp/doc.go
index f8d105d1c..e713481e2 100644
--- a/exporters/otlp/doc.go
+++ b/exporters/otlp/doc.go
@@ -12,5 +12,5 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// Package otlp contains an OpenTelemetry tracing exporter for OpenTelemetry Collector.
+// Package otlp contains an exporter for the OpenTelemetry protocol buffers.
 package otlp // import "go.opentelemetry.io/otel/exporters/otlp"
diff --git a/exporters/otlp/options.go b/exporters/otlp/options.go
index d544176b6..05f14dc14 100644
--- a/exporters/otlp/options.go
+++ b/exporters/otlp/options.go
@@ -22,10 +22,19 @@ import (
 )
 
 const (
+	// DefaultCollectorPort is the port the Exporter will attempt connect to
+	// if no collector port is provided.
 	DefaultCollectorPort uint16 = 55680
+	// DefaultCollectorHost is the host address the Exporter will attempt
+	// connect to if no collector address is provided.
 	DefaultCollectorHost string = "localhost"
-	DefaultNumWorkers    uint   = 1
+	// DefaultNumWorkers is the number of goroutines the Exporter will use when
+	// processing telemetry.
+	DefaultNumWorkers uint = 1
 
+	// DefaultGRPCServiceConfig is the gRPC service config used if none is
+	// provided by the user.
+	//
 	// For more info on gRPC service configs:
 	// https://github.com/grpc/proposal/blob/master/A6-client-retries.md
 	//
@@ -61,6 +70,7 @@ const (
 }`
 )
 
+// ExporterOption are setting options passed to an Exporter on creation.
 type ExporterOption func(*config)
 
 type config struct {
diff --git a/exporters/otlp/otlp.go b/exporters/otlp/otlp.go
index d4d2a89e5..4b601203d 100644
--- a/exporters/otlp/otlp.go
+++ b/exporters/otlp/otlp.go
@@ -12,9 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// code in this package is mostly copied from contrib.go.opencensus.io/exporter/ocagent/connection.go
 package otlp
 
+// This code was based on
+// contrib.go.opencensus.io/exporter/ocagent/connection.go
+
 import (
 	"context"
 	"errors"
@@ -35,6 +37,9 @@ import (
 	tracesdk "go.opentelemetry.io/otel/sdk/export/trace"
 )
 
+// Exporter is an OpenTelemetry exporter. It exports both traces and metrics
+// from OpenTelemetry instrumented to code using OpenTelemetry protocol
+// buffers to a configurable receiver.
 type Exporter struct {
 	// mu protects the non-atomic and non-channel variables
 	mu sync.RWMutex
@@ -280,10 +285,13 @@ func (e *Exporter) Export(parent context.Context, cps metricsdk.CheckpointSet) e
 	return nil
 }
 
+// ExportKindFor reports back to the OpenTelemetry SDK sending this Exporter
+// metric telemetry that it needs to be provided in a pass-through format.
 func (e *Exporter) ExportKindFor(*metric.Descriptor, aggregation.Kind) metricsdk.ExportKind {
 	return metricsdk.PassThroughExporter
 }
 
+// ExportSpans exports a batch of SpanData.
 func (e *Exporter) ExportSpans(ctx context.Context, sds []*tracesdk.SpanData) error {
 	return e.uploadTraces(ctx, sds)
 }