Fix grammar in documentation files

Author: Stacyrch140

articles/data-factory/airflow-sync-github-repository.md

@@ -37,7 +37,7 @@ To sync your GitHub repository by using the Workflow Orchestration Manager UI:
 
 1. When you create a Workflow Orchestration Manager integration runtime, select **Enable git sync** in the **Airflow environment setup** dialog.
 
-   :::image type="content" source="media/airflow-git-sync-repository/enable-git-sync.png" alt-text="Screenshot that shows the Enable git sync checkbox in the Airflow environment setup dialog that appears during creation of a Airflow integration runtime.":::
+   :::image type="content" source="media/airflow-git-sync-repository/enable-git-sync.png" alt-text="Screenshot that shows the Enable git sync checkbox in the Airflow environment setup dialog that appears during creation of an Airflow integration runtime.":::
 
 1. Select one of the following supported Git service types:
    - **GitHub**

articles/data-factory/control-flow-get-metadata-activity.md

@@ -106,7 +106,7 @@ You can specify the following metadata types in the Get Metadata activity field
 > When you want to validate that a file, folder, or table exists, specify `exists` in the Get Metadata activity field list. You can then check the `exists: true/false` result in the activity output. If `exists` isn't specified in the field list, the Get Metadata activity fails if the object isn't found.
 
 > [!NOTE]
-> When you get metadata from file stores and configure `modifiedDatetimeStart` or `modifiedDatetimeEnd`, the `childItems` in the output includes only files in the specified path that have a last modified time within the specified range. Items in subfolders aren't included.
+> When you get metadata from file stores and configure `modifiedDatetimeStart` or `modifiedDatetimeEnd`, the `childItems` in the output include only files in the specified path that have a last modified time within the specified range. Items in subfolders aren't included.
 
 > [!NOTE]
 > For the **Structure** field list to provide the actual data structure for delimited text and Excel format datasets, you must enable the `First Row as Header` property, which is supported only for these data sources.