Update SQLAssessmentAPITutorialNotebook.ipynb

Author: alexprotsenko

samples/manage/sql-assessment-api/notebooks/SQLAssessmentAPITutorialNotebook.ipynb

@@ -500,9 +500,9 @@
             "source": [
                 "### PowerShell\r\n",
                 "\r\n",
-                "PowerShell probe executes a command in PowerShell (fx) on target machine and returns pipeline output in @Output variable.\r\n",
+                "PowerShell probe executes a command in PowerShell on target machine and returns pipeline output in @Output variable.\r\n",
                 "Use $ (dollar) sign to access probe parameters passed from checks.\r\n",
-                "Use . (dot) to access properties of the output object. For example, if returned object is string, then @Output.Lengthreturns its length."
+                "Use . (dot) to access properties of the output object. For example, if a returned object is string, then @Output.Length returns its length."
             ],
             "metadata": {
                 "azdata_cell_guid": "4450f005-b008-4464-8b83-059b5d3fa8f6"
@@ -615,4 +615,4 @@
             }
         }
     ]
-}
+}