Help me in solving CLB041 problem

My issue

I have done this question as given in the solution the this is showing wrong .

My code

#include <stdio.h>
#include <string.h>
int main() {
char txt[]="NumeroTres";

printf("The lenght of the word is: %d",strlen(txt));
	return 0;

Learning course: Learn C
Problem Link: CodeChef: Practical coding for everyone

The spelling of length is wrong.


nothing else just check speclling of length