Update R YAML metadata for dash-table (#669)

Author: rpkyle

packages/dash-table/dash-info.yaml

@@ -1,10 +1,10 @@
-pkg_help_description: >
-    Dash DataTable is an interactive table component designed for
-    designed for viewing, editing, and exploring large datasets.
-    DataTable is rendered with standard, semantic HTML <table/> markup,
-    which makes it accessible, responsive, and easy to style. This
-    component was written from scratch in React.js specifically for the
-    Dash community. Its API was designed to be ergonomic and its behaviour
-    is completely customizable through its properties.
-pkg_help_title: >
+pkg_help_description: >-
+    An interactive table component designed for editing and exploring
+    large datasets, DataTable is rendered with standard, semantic HTML
+    <table/> markup, which makes it accessible, responsive, and easy
+    to style. This component was written from scratch in React.js
+    specifically for the Dash community. Its API was designed to be
+    ergonomic and its behaviour is completely customizable through its
+    properties.
+pkg_help_title: >-
     Core Interactive Table Component for Dash