diff --git a/example-gpt-3/main.go b/example-gpt-3/main.go
index bf97f37..f9c409a 100644
--- a/example-gpt-3/main.go
+++ b/example-gpt-3/main.go
@@ -1,5 +1,7 @@
 package main
 
+// https://chat.openai.com/chat
+
 import (
 	"context"
 	"fmt"
@@ -27,6 +29,12 @@ func main() {
 	log.Println("engines =", eng)
 	spew.Dump(eng)
 
+	// shows how much things cost so far:
+	// https://beta.openai.com/account/usage
+
+	// shows the options you can pass in CompletionRequest:
+	// https://pkg.go.dev/github.com/PullRequestInc/go-gpt3#CompletionRequest
+
 	// resp, err := client.Completion(ctx, gpt3.CompletionRequest{
 	resp, err := client.CompletionWithEngine(ctx, "text-davinci-003", gpt3.CompletionRequest{
 		Prompt:    []string{"Write a 3000 word essay about DiVinci"},