diff --git a/src/cat.c b/src/cat.c
index 582ed57..a0517dd 100644
--- a/src/cat.c
+++ b/src/cat.c
@@ -31,7 +31,7 @@ int main(const int argc, const char **argv) {
 
 		else if (!strcmp(argv[i], "-h")) {
 			printf("cat [-n (numerate)] [file1 file2 ...]\n");
-			return 1;
+			return 0;
 		}
 	}
 
diff --git a/src/ls.c b/src/ls.c
index 0a7eb4b..b1ec5c0 100644
--- a/src/ls.c
+++ b/src/ls.c
@@ -8,7 +8,7 @@
 int list(const char *path, int flag, int label) {
 	struct stat statbuf;
 	if (stat(path, &statbuf)) {
-		fprintf(stderr, "unable to stat %s: %s\n", path, strerror(errno));
+		fprintf(stderr, "ls: unable to stat %s: %s\n", path, strerror(errno));
 		return 1;
 	}
 
@@ -26,7 +26,7 @@ int list(const char *path, int flag, int label) {
 	struct dirent *ep;
 	DIR *dp = opendir(path);
 	if (dp == NULL) {
-		fprintf(stderr, "%s: %s\n", path, strerror(errno));
+		fprintf(stderr, "ls: %s: %s\n", path, strerror(errno));
 		return 1;
 	}