docs(example): minor example edits

example/main.go

@@ -9,7 +9,7 @@ import (
 )
 
 func main() {
-	// Find the color profile for stdout.
+	// Detect the color profile for stdout.
 	p := colorprofile.Detect(os.Stdout, os.Environ())
 	fmt.Printf("Your color profile is what we call '%s'.\n\n", p)
 
@@ -33,12 +33,12 @@ func main() {
 
 	// Here's a nice color.
 	myCuteColor := color.RGBA{0x6b, 0x50, 0xff, 0xff} // #6b50ff
-	fmt.Printf("A cute color we like is: #%x%x%x.\n\n", myCuteColor.R, myCuteColor.G, myCuteColor.B)
+	fmt.Printf("A cute color we like is: %s.\n\n", colorToHex(myCuteColor))
 
 	// Let's convert it to the detected color profile.
 	theColorWeNeed := p.Convert(myCuteColor)
-	fmt.Printf("This terminal needs it to be a %T, at best...\n", theColorWeNeed)
-	fmt.Printf("...which would be %#v.\n\n", theColorWeNeed)
+	fmt.Printf("This terminal needs that color to be a %T, at best.\n", theColorWeNeed)
+	fmt.Printf("In this case that color is %s.\n\n", colorToHex(theColorWeNeed))
 
 	// Now let's convert it to a color profile that only supports up to 256
 	// colors.
@@ -48,15 +48,20 @@ func main() {
 	// But really, who has time to convert? Not you? Well, kiddo, here's
 	// a magical writer that will just auto-convert whatever ANSI you throw at
 	// it to the appropriate color profile.
-	myFancyANSI := "\x1b[38;2;107;80;255mCute puppy!!\x1b[m\n"
+	myFancyANSI := "\x1b[38;2;107;80;255mCute puppy!!\x1b[m"
 	w := colorprofile.NewWriter(os.Stdout, os.Environ())
-	w.Printf(myFancyANSI)
+	w.Println("This terminal:", myFancyANSI)
 
 	// But we're old school. Make the writer only use 4-bit ANSI, 1980s style.
 	w.Profile = colorprofile.ANSI
-	w.Printf(myFancyANSI)
+	w.Println("4-bit ANSI:", myFancyANSI)
 
-	// That's too modern. Let's go back to MIT in the 1970s.
+	// That's way too modern. Let's go back to MIT in the 1970s.
 	w.Profile = colorprofile.NoTTY
-	w.Printf(myFancyANSI) // not so fancy anymore
+	w.Println("No TTY :(", myFancyANSI) // less fancy
+}
+
+func colorToHex(c color.Color) string {
+	r, g, b, _ := c.RGBA()
+	return fmt.Sprintf("#%02x%02x%02x", r>>8, g>>8, b>>8)
 }