diff --git a/README.md b/README.md
index 1d84c2c67352bf01279db1469e90b3f2d7b976d8..eee90b7337bd2b61212a8d47d5498c540cb9c90e 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ import (
 )
 
 func main() {
-	client := lunatask.NewClient(os.Getenv("LUNATASK_TOKEN"))
+	client := lunatask.NewClient(os.Getenv("LUNATASK_TOKEN"), lunatask.UserAgent("MyApp/1.0"))
 
 	// Verify credentials
 	if _, err := client.Ping(context.Background()); err != nil {
diff --git a/lunatask.go b/lunatask.go
index bbcd2365335625a200eee20e89bcaa09e78369ed..dea4b5c6f9e2c197c982d93ccafe77246a6f1ead 100644
--- a/lunatask.go
+++ b/lunatask.go
@@ -4,7 +4,7 @@
 
 // Package lunatask provides a Go client for the Lunatask API.
 //
-//	client := lunatask.NewClient(os.Getenv("LUNATASK_TOKEN"))
+//	client := lunatask.NewClient(os.Getenv("LUNATASK_TOKEN"), lunatask.UserAgent("MyApp/1.0"))
 //	if _, err := client.Ping(ctx); err != nil {
 //		log.Fatal(err)
 //	}
@@ -145,23 +145,23 @@ type Client struct {
 // Option configures a Client.
 type Option func(*Client)
 
-// WithHTTPClient sets a custom HTTP client.
-func WithHTTPClient(client *http.Client) Option {
+// HTTPClient sets a custom HTTP client.
+func HTTPClient(client *http.Client) Option {
 	return func(c *Client) {
 		c.httpClient = client
 	}
 }
 
-// WithBaseURL sets a custom base URL (useful for testing).
-func WithBaseURL(url string) Option {
+// BaseURL sets a custom base URL (useful for testing).
+func BaseURL(url string) Option {
 	return func(c *Client) {
 		c.baseURL = url
 	}
 }
 
-// WithUserAgent sets a custom User-Agent prefix.
+// UserAgent sets a custom User-Agent prefix.
 // The library identifier (go-lunatask/version) is always appended.
-func WithUserAgent(ua string) Option {
+func UserAgent(ua string) Option {
 	return func(c *Client) {
 		c.userAgent = ua
 	}