Update EX-2.01.04-HistoricalPricing-ErrorManagement.ipynb

Author: Olivier Davant

Examples/2-Content/2.01-HistoricalPricing/EX-2.01.04-HistoricalPricing-ErrorManagement.ipynb

@@ -17,7 +17,7 @@
    "metadata": {},
    "source": [
     "## Content layer - Historical Pricing\n",
-    "This notebook demonstrates how to retrieve Historical Pricing data."
+    "This notebook demonstrates how to use how to manage errors when using Definition objects of the Content layer. Historical Pricing will be used here as an example, but this technique applies to all Definition objects of the Content layer."
    ]
   },
   {
@@ -36,7 +36,9 @@
     "\n",
     "If you have any questions regarding using the API, please post them on \n",
     "the [Refinitiv Data Q&A Forum](https://community.developers.refinitiv.com/spaces/321/index.html). \n",
-    "The Refinitiv Developer Community will be happy to help. "
+    "The Refinitiv Developer Community will be happy to help. \n",
+    "\n",
+    "----"
    ]
   },
   {