diff --git a/language/examples_test.go b/language/examples_test.go
index 9294e4f..c2287ee 100644
--- a/language/examples_test.go
+++ b/language/examples_test.go
@@ -6,6 +6,7 @@
 
 import (
 	"fmt"
+
 	"golang.org/x/text/language"
 )
 
@@ -83,21 +84,26 @@
 func ExampleRegion_TLD() {
 	us := language.MustParseRegion("US")
 	gb := language.MustParseRegion("GB")
+	uk := language.MustParseRegion("UK")
 	bu := language.MustParseRegion("BU")
 
 	fmt.Println(us.TLD())
 	fmt.Println(gb.TLD())
+	fmt.Println(uk.TLD())
 	fmt.Println(bu.TLD())
 
 	fmt.Println(us.Canonicalize().TLD())
 	fmt.Println(gb.Canonicalize().TLD())
+	fmt.Println(uk.Canonicalize().TLD())
 	fmt.Println(bu.Canonicalize().TLD())
 	// Output:
 	// US <nil>
 	// UK <nil>
+	// UK <nil>
 	// ZZ language: region is not a valid ccTLD
 	// US <nil>
 	// UK <nil>
+	// UK <nil>
 	// MM <nil>
 }