Some cleanup, and updated the demo notebooks to reflect changes

demos/model-forced.ipynb

@@ -4,7 +4,9 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Forcing with model output"
+    "# Forcing with model output\n",
+    "\n",
+    "### This example is most useful for people with access to Australia's National Computational Infrastructure facility, because the model output being used is hosted here. For others, the 'reanalysis-forced' example will be more helpful as it relies only on open source data."
    ]
   },
   {
@@ -328,9 +330,9 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Step 6 (optional): Select number of processors \n",
+    "## Step 6 Run the FRE tools\n",
     "\n",
-    "This is just a wrapper for check_mask FRE tool. Choose the number of processors in the X and Y directions respectively. Having run `.bathymetry()`, you already have one set up for 10x10 by default."
+    "This is just a wrapper for the FRE tools needed to make the mosaics and masks for the experiment. The only thing you need to tell it is the processor layout. In this case we're saying that we want a 10 by 10 grid of 100 processors. "
    ]
   },
   {
@@ -339,7 +341,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "expt.processor_mask((10,10))"
+    "expt.FRE_tools((10,10))\n"
    ]
   },
   {