print correct command with perror

src/shell.c

@@ -11,11 +11,11 @@ int s_do(char **args) {
 
   pid = fork();
   if (!pid) {
-    if (execvp(args[0], args) == -1) perror("lsh");
+    if (execvp(args[0], args) == -1) perror(args[0]);
     exit(EXIT_FAILURE);
   } else if (pid < 0) {
     // Error forking
-    perror("lsh");
+    perror(args[0]);
   } else {
     do {
       wpid = waitpid(pid, &s, WUNTRACED);