Update acro_demo.ipynb

fixed typo

Signed-off-by: Jim-smith <jim-smith@users.noreply.github.com>

notebooks/acro_demo.ipynb

@@ -321,7 +321,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### ACRO crosstab with supression\n",
+    "### ACRO crosstab with suppression\n",
     "- This is an example of crosstab with supressing the cells that violate the discloure tests.\n",
     "- Note that you need to change the value of the supress variable in the acro object to True. Then run the crosstab command.  \n",
     "- If you wish to continue the research while supressing the outputs, leave the supress variable as it is, otherwise turn it off."