diff --git a/src/strings/example_test.go b/src/strings/example_test.go
index e31054a4e0..4f3a1ce8c6 100644
--- a/src/strings/example_test.go
+++ b/src/strings/example_test.go
@@ -47,12 +47,16 @@ func ExampleContains() {
 
 func ExampleContainsAny() {
 	fmt.Println(strings.ContainsAny("team", "i"))
-	fmt.Println(strings.ContainsAny("failure", "u & i"))
+	fmt.Println(strings.ContainsAny("fail", "ui"))
+	fmt.Println(strings.ContainsAny("ure", "ui"))
+	fmt.Println(strings.ContainsAny("failure", "ui"))
 	fmt.Println(strings.ContainsAny("foo", ""))
 	fmt.Println(strings.ContainsAny("", ""))
 	// Output:
 	// false
 	// true
+	// true
+	// true
 	// false
 	// false
 }