Fix trailing newline

Author: pvanheus

snippets/edit_workflow.md

@@ -3,4 +3,4 @@
 > 1. Click on the name of the imported workflow
 > ![Workflow drop down menu showing Edit option](../../images/edit_workflow.png "When you click on the name of a workflow it will open a drop down menu whose first option is Edit. Select the Edit option to edit the workflow.")
 > 2. Select the Edit workflow to open the workflow in the workflow editor
-{: .hands_on}
+{: .hands_on}