CU-8693wtx4b: Update notebook with some extra documentation

medcat/compare_models/model_comparison.ipynb

@@ -1057,7 +1057,9 @@
     "# we may optionally specify the documents we wish to look at\n",
     "# we will specify one document here so as to not generate too much output\n",
     "docs = ['doc_2']\n",
-    "for doc_name, pair in ann_diffs.iter_ann_pairs(docs=docs):\n",
+    "# by default, this will omit identical annotations\n",
+    "# but this can be changed by setting omit_identical=False\n",
+    "for doc_name, pair in ann_diffs.iter_ann_pairs(docs=docs, omit_identical=True):\n",
     "    print('='*20,f'\\n{doc_name} ({pair.comparison_type})', f'\\n{\"=\"*20}')\n",
     "    compare_dicts(pair.one, pair.two)"
    ]