strcmp(1): code clarification

src/strcmp.c

@@ -30,10 +30,11 @@ int main(int argc, char *argv[]){
 		return EX_USAGE;
 	}
 
-	for (; *argv[1] != '\0'; ++argv[1]) { /* iterate chars in ref */
-		/* iterate argc */
-		for (size_t i = 2 /* ref cmp */; i < argc; ++argv[i], ++i) {
-			/* this doesn't overrun because of nul termination */
+	/* This compares the Nth character of arg[2] onward with argv[1]'s Nth
+	 * character, rather than comparing each arg with argv[1] sequentially. */
+	for (; *argv[1] != '\0'; ++argv[1]) { /* iterate chars in argv[1] */
+		for (size_t i = 2; i < argc; ++argv[i], ++i) { /* iterate &argv[2] */
+			/* this never overruns because of nul termination */
 			if (*argv[i-1] != *argv[i]) { return *argv[i-1] - *argv[i]; }
 		}
 	}