Bump checkpoint notebook.

notebooks/how-tos/checkpoints.ipynb

@@ -9,9 +9,7 @@
     "---\n",
     "# Save and load checkpoints\n",
     "\n",
-    "The ability to **save and resume experiments** may be very useful when running long experiments.\n",
-    "\n",
-    "Avalanche offers a checkpointing functionality that can be used to save and restore your strategy including plugins, metrics, and loggers.\n",
+    "The ability to **save and resume experiments** may be very useful when running long experiments. Avalanche offers a checkpointing functionality that can be used to save and restore your strategy including plugins, metrics, and loggers.\n",
     "\n",
     "This guide will show how to plug the checkpointing functionality into the usual Avalanche main script. This only requires minor changes in the main: no changes on the strategy/plugins/... code is required! Also, make sure to check the [checkpointing.py](https://github.com/ContinualAI/avalanche/blob/master/examples/checkpointing.py) example in the repository for a ready-to-go template.\n",
     "\n",