fix help message issues
#endif
#define USAGE \
- "usage: %s <MBEDTLS_CONFIG> | -l\n\n" \
+ "usage: %s [ <MBEDTLS_CONFIG> | -l ]\n\n" \
"This program takes one command line argument which corresponds to\n" \
"the string representation of a Mbed TLS compile time configuration.\n" \
"The value 0 will be returned if this configuration is defined in the\n" \
"Mbed TLS build and the macro expansion of that configuration will be\n" \
"printed (if any). Otherwise, 1 will be returned.\n" \
- "-l\tPrint all available configuration"
+ "-l\tPrint all available configuration.\n"
#include <string.h>
#include "query_config.h"
