Help me in solving CLB041 problem

My issue

I can’t find error

My code

#include <stdio.h>

int main(void) {
    char txt[]="NumeroTres";
    printf("The length of the word is:%d",strlen(txt));
	return 0;
}


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

put space before “%d”

@navadeep1817 U have to leave space between “is: %d”.