phrasing fix

Author: nparavicini7

guide/13-managing-arcgis-applications/itemgraph-to-knowledge-graph.ipynb

@@ -33,7 +33,7 @@
     "## Method Breakdown\n",
     "\n",
     "![Screenshot 2026-06-15 at 7.30.22 PM.png](attachment:ea8f9bc2-7600-445b-ad09-1d85a553c8ff.png)\n",
-    "The function, at its simplest usage, requires one of two arguments: either the title of a new Knowledge Graph (`title`), or a [`KnowledgeGraph`](https://developers.arcgis.com/python/latest/api-reference/arcgis.graph.html#arcgis.graph.KnowledgeGraph) object corresponding to an existent graph derived from an `ItemGraph` (`kg`).\n",
+    "The function, at its simplest, requires one of two arguments: either the title of a new Knowledge Graph (`title`), or a [`KnowledgeGraph`](https://developers.arcgis.com/python/latest/api-reference/arcgis.graph.html#arcgis.graph.KnowledgeGraph) object corresponding to an existent graph derived from an `ItemGraph` (`kg`).\n",
     "\n",
     "The `gis` argument dictates the ArcGIS Enterprise organization where a new Knowledge Service is created, and is only necessary if your `ItemGraph` was constructed from items in an organization without ArcGIS Knowledge enabled. If your `ItemGraph`'s `.gis` property is a Knowledge-enabled organization, then omitting this argument will result in a new Knowledge Service being created there by default.\n",
     "\n",