added docs re: Colab

nbs/index.ipynb

@@ -329,7 +329,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Because both the documentation and code for nbdev is written in notebooks, you can optionally view and run nbdev documentation in [Google Colab](https://colab.research.google.com/). You can enable Google Colab badges that link to the appropriate notebook of your docs in your GitHub repository.  \n",
+    "Because both the documentation and code for nbdev is written in notebooks, you can optionally view and run nbdev documentation in [Google Colab](https://colab.research.google.com/). You can enable Google Colab badges that link to the appropriate notebook(s) in your GitHub repository.  \n",
     "\n",
     "You can toggle the this feature on or off in your `/_config.yml` file:\n",
     "\n",
@@ -339,8 +339,7 @@
     "  colab: true\n",
     "```\n",
     "\n",
-    "Furthermore, If you only want to hide a badge on an individual document, you can set the front matter `hide_colab_badge: true`.  For example, if you want a Colab badge to show up on all docs created with notebooks, except for the notebook `nbs/06_cli.ipynb`, your front matter (in the form of a markdown cell at the top of your notebook should look like this:\n",
-    "\n",
+    "Furthermore, If you want to hide a badge on an individual document but still show badges elsewhere, you can set the front matter `hide_colab_badge: true`.  For example, if you wanted to hide the Colab badge from showing up on the notebook `nbs/06_cli.ipynb`, your front matter (in the form of a markdown cell at the top of the notebook will look like this:\n",
     "\n",
     "```\n",
     "# Command line functions\n",
@@ -350,7 +349,7 @@
     "- hide_colab_badge: true\n",
     "```\n",
     "\n",
-    "Note how in the above example, in addition to a title `Command line functions` (formatted as a markdown heading) and the summary `Console commands added by the nbdev library` (formatted as a markdown note) the additional option `hide_colab_badge` is a list item.  It is important that the list item is separated from the summary by 2 newlines as shown above, in the same notebook markdown cell."
+    "Note how in the above example, th `Command line functions` (formatted as a markdown heading) and the summary `Console commands added by the nbdev library` (formatted as a markdown note) the additional option `hide_colab_badge` is a list item.  It is important that the list item is separated from the summary by 2 newlines as shown above, in the same notebook markdown cell."
    ]
   },
   {