diff --git a/content/methods/exercise-stringer.go b/content/methods/exercise-stringer.go
index 11fc7b5..bd9fed5 100644
--- a/content/methods/exercise-stringer.go
+++ b/content/methods/exercise-stringer.go
@@ -9,11 +9,11 @@
 // TODO: Add a "String() string" method to IPAddr.
 
 func main() {
-	addrs := map[string]IPAddr{
+	hosts := map[string]IPAddr{
 		"loopback":  {127, 0, 0, 1},
 		"googleDNS": {8, 8, 8, 8},
 	}
-	for n, a := range addrs {
-		fmt.Printf("%v: %v\n", n, a)
+	for name, ip := range hosts {
+		fmt.Printf("%v: %v\n", name, ip)
 	}
 }