Fix spelling errors

nethack-launcher.go

@@ -643,7 +643,7 @@ func recoverSave(redisClient *redis.Client, username string) {
 
 	fmt.Printf(" %s\n", config.NethackLauncher.ServerDisplay)
 	println("")
-	println(" Recover utilty.")
+	println(" Recover utility.")
 	println("")
 	// check if dir is empty
 	isEmpty, _ := checkDir(fmt.Sprintf("%s/user/%s/save/", config.NethackLauncher.HackDir, username))
@@ -654,7 +654,7 @@ func recoverSave(redisClient *redis.Client, username string) {
 		println("")
 		fmt.Printf(">> ")
 	} else {
-		println(" Attempt to recovery statefile? (y/n)")
+		println(" Attempt to recover statefile? (y/n)")
 		println("")
 		fmt.Printf(">> ")
 	}