Please help me abou I am new learning C language

#include <stdio.h>
#include <stdlib.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char *argv[]) {
    
    ch[0]='a';
    ch[1]='b';
    ch[2]='d';
    ch[3]='u';
    ch[4]='l';
    printf("%s\n", ch);
    
    please help me about my output show like as ( abdul )
    return 0;
}