diff --git a/docs/tutorials/Structural_Filters.ipynb b/docs/tutorials/Structural_Filters.ipynb
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@@ -8,7 +8,7 @@
     "# Structural Filters\n",
     "\n",
     "Structural filters can be used to triage or flag compounds that contains a specific molecular features that can often be unwanted or undesired. Medchem proposes 3 types of structural filters:\n",
-    "\n",
+    "jhgjhgjf\n",
     "- **Common Alerts**: a list of filters curated and aggregated from ChEMBL and the public litterature. The original curation was performed by [Patrick Walters](https://twitter.com/wpwalters) and proposed at <https://github.com/PatWalters/rd_filters>.\n",
     "- **NIBR Filters**: Novartis screening deck originally proposed in [Evolution of Novartis’ Small Molecule Screening Deck Design](https://doi.org/10.1021/acs.jmedchem.0c01332).\n",
     "- **Eli Lilly Demerits Filters**: A set of 275 rules used to identify compounds that may interfere with biological assays. Originally proposed in [Rules for Identifying Potentially Reactive or Promiscuous Compounds](https://doi.org/10.1021/jm301008n)."