Small corrections

README.md

@@ -49,7 +49,7 @@ func main() {
   ctx := context.Background()
 
   // List running instances
-  r, err := api.ListRunningInstances(context)
+  r, err := api.ListRunningInstances(ctx)
   if err != nil {
     log.Fatal(err)
   }

together.go

@@ -17,13 +17,14 @@ const (
 	defaultScheme   = "https"
 	defaultHostname = "api.together.xyz"
 	defaultBasePath = "/"
+	defaultRetries  = 5
 	userAgent       = "together-go"
 
 	errEmptyAPIToken = "invalid credentials: API Token must not be empty" //nolint:gosec,unused
 )
 
 var (
-	Version string = "v1"
+	Version string = "v1" // This corresponds to the version of the API and is used in the URL path
 )
 
 type API struct {
@@ -43,7 +44,7 @@ func New(key string) (*API, error) {
 	api := &API{}
 	api.BaseURL = fmt.Sprintf("%s://%s", defaultScheme, defaultHostname)
 	api.Client = retryablehttp.NewClient()
-	api.Client.RetryMax = 5
+	api.Client.RetryMax = defaultRetries
 	api.Debug = false
 	api.APIKey = key
 	api.UserAgent = userAgent + "/" + Version

together_test.go

@@ -8,6 +8,7 @@ import (
 	"testing"
 )
 
+// Test creating a new API object/client with a valid API key.
 func TestNew(t *testing.T) {
 	result, _ := New("hunter2")
 	if result.APIKey != "hunter2" {
@@ -24,6 +25,7 @@ func TestNew(t *testing.T) {
 
 }
 
+// Test copying headers from one header map to another.
 func TestCopyHeader(t *testing.T) {
 	a := make(http.Header)
 	a.Set("test", "test")
@@ -40,6 +42,7 @@ func TestCopyHeader(t *testing.T) {
 	}
 }
 
+// Test making a HTTP request.
 func TestRequest(t *testing.T) {
 	req, _ := New("hunter2")
 	req.Client.RetryMax = 1