fix issue with arguments

src/main.c

@@ -4,7 +4,7 @@
 #include "config.h"
 
 int main(int argc, char *argv[]) {
-	if (argc == 1) {
+	if (argc < 2) {
 		printf("usage: %s PASSWORD ENTRY_NAME\n", argv[0]);
 		return 1;
 	}