fix typo and add hint for task 1

Author: Levelent

week5/w5_wahoot.ipynb

@@ -59,6 +59,13 @@
     "> Task 1: Implement a `save(self, file_name)` method for the `GameHistory` class, which should take all of the relevant game information and store it in one (or multiple) files. We'd recommend a CSV format, but you could choose JSON (if you know how it works) or even a custom format of your own! The important part is that you'll be able to extract the data later."
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "*Note: if you implement `__repr__` for the `Game` and `Player` classes, it could make your life a lot easier...*"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -84,7 +91,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "> Task 4: Find an appropriate place to call the `history.save(file_name)` method. It might be closer than you think."
+    "> Task 4: Find an appropriate place to call the `history.load(file_name)` method. It might be closer than you think."
    ]
   },
   {