tweaks

Author: gregli-msft

powerapps-docs/maker/canvas-apps/media/northwind-orders-canvas-part1/orders-parts.png

@@ -28,9 +28,10 @@ Northwind Traders is a fictitious organization that manages orders, products, cu
 
 ## Install the solution
 
-1. [Download the **Northwind Traders Solution File** ![download](media/northwind-install/download.png)](https://pwrappssamples.blob.core.windows.net/samples/NorthwindTraders_1_0_0_5.zip).   
+> [!div class="nextstepaction"]
+> [Download the Northwind Traders Solution File](https://pwrappssamples.blob.core.windows.net/samples/NorthwindTraders_1_0_0_5.zip)
 
-    This [solution](../../developer/common-data-service/introduction-solutions.md) file (.zip) contains the definitions of entities, option sets, and business processes; the canvas and model-driven apps; and any other pieces that are used together.
+This [solution](../../developer/common-data-service/introduction-solutions.md) file (.zip) contains the definitions of entities, option sets, and business processes; the canvas and model-driven apps; and any other pieces that are used together.
 
 1. Sign in to [PowerApps](https://web.powerapps.com?utm_source=padocs&utm_medium=linkinadoc&utm_campaign=referralsfromdoc), and then ensure that you're working in an environment that contains a Common Data Service database.
 
@@ -140,3 +141,18 @@ If you scroll down the form, it shows the same line items as the canvas app does
 
 > [!div class="mx-imgBorder"]
 > ![more order details in model-driven app](media/northwind-install/orders-model-3.png)
+
+## Do it yourself
+
+You can follow step-by-step instructions to create the canvas app shown earlier in this topic.  The instructions are divided into three parts:
+
+1. [Create an order gallery](northwind-orders-canvas-part1.md).
+1. [Create a summary form](northwind-orders-canvas-part2.md).
+1. [Create a detail gallery](northwind-orders-canvas-part3.md).
+
+If you want to skip ahead, the solution contains a starting-point app for each part.  In the list of apps, look for **Northwind Orders (Canvas), Begin Part 1** and so on.
+
+This [overview of the app](northwind-orders-overview.md) explains the user interface, data sources, and how relationships are used.
+
+> [!div class="nextstepaction"]
+> [Start by reading the overview](northwind-orders-overview.md)

powerapps-docs/maker/canvas-apps/media/northwind-orders-canvas-part1/start-01.png

@@ -81,5 +81,15 @@ As another example of walking from one entity to another, you can specify that a
 
 In this case, **Gallery1.Selected** specifies a record in the **Orders** entity, just as **ThisItem** did in the previous example. However, this expression doesn't pull just one record as the previous expression did. Instead, it pulls an entire table of records to show the name and per-unit cost of each product (as reflected in the **Order Products** entity) and the quantity (as reflected in the **Order Details** entity).
 
+## Do it yourself
+
+You can follow step-by-step instructions to create the Northwind Orders canvas app.  The instructions are divided into three parts:
+
+1. [Create an order gallery](northwind-orders-canvas-part1.md).
+1. [Create a summary form](northwind-orders-canvas-part2.md).
+1. [Create a detail gallery](northwind-orders-canvas-part3.md).
+
+If you want to skip ahead, the solution contains a starting-point app for each part.  In the list of apps, look for **Northwind Orders (Canvas), Begin Part 1** and so on.
+
 > [!div class="nextstepaction"]
-> [Create the order gallery](northwind-orders-canvas-part1.md)
+> [Continue by creating the order gallery](northwind-orders-canvas-part1.md)

powerapps-docs/maker/canvas-apps/media/northwind-orders-canvas-part2/orders-parts.png

@@ -130,13 +130,14 @@ In this section, you'll add controls to show a summary of any order that the use
     > [!div class="mx-imgBorder"]
     > ![Edit form control shows seven fields](media/northwind-orders-canvas-part2/form-08.png)
 
-    If any field shows a red error icon, a problem might have occurred when data was pulled from the source. To resolve the error, refresh the data:
-
-    1. On the **View** tab, select **Data sources**.
-    1. In the **Data** pane, select **Data sources**.
-    1. Next to **Orders**, select the ellipsis (...), select **Refresh**, and then close the **Data** pane.
-
-    If the combo box for the customer or employee name still shows an error, check the **Primary text** and **SearchField** of each box by selecting it and then opening the **Data** pane. For the customer box, both fields should be set to **nwind_company**. For the employee box, both fields should be set to **nwind_lastname**.
+    > [!NOTE]
+    > If any field shows a red error icon, a problem might have occurred when data was pulled from the source. To resolve the error, refresh the data:
+    >
+    > 1. On the **View** tab, select **Data sources**.
+    > 1. In the **Data** pane, select **Data sources**.
+    > 1. Next to **Orders**, select the ellipsis (...), select **Refresh**, and then close the **Data** pane.
+    >
+    > If the combo box for the customer or employee name still shows an error, check the **Primary text** and **SearchField** of each box by selecting it and then opening the **Data** pane. For the customer box, both fields should be set to **nwind_company**. For the employee box, both fields should be set to **nwind_lastname**.
 
 1. With the form selected, change the number of columns in the form from 3 to 12 in the **Properties** tab near the right edge.
 
@@ -520,7 +521,7 @@ The **Orders** entity has a many-to-one relationship with the **Employees** enti
     > [!div class="mx-imgBorder"]
     > ![Deleting orders](media/northwind-orders-canvas-part2/save-delete.gif)
 
-## On to Part 3
+## Summary
 
 To recap, you added a form in which the user can show and edit a summary of each order, and you used these elements:
 

powerapps-docs/maker/canvas-apps/media/northwind-orders-canvas-part3/orders-parts.png

@@ -18,9 +18,9 @@ search.app:
 
 Follow step-by-step instructions to create a detail gallery in a canvas app for managing fictitious data in the Northwind Traders database. This topic is part of a series that explains how to build a business app on relational data in Common Data Service. For best results, explore these topics in this sequence:
 
-1. [Create an order gallery in a canvas app](northwind-orders-canvas-part1.md).
-1. [Create a summary form in a canvas app](northwind-orders-canvas-part2.md).
-1. Create a detail gallery in a canvas app (**this topic**).
+1. [Create an order gallery](northwind-orders-canvas-part1.md).
+1. [Create a summary form](northwind-orders-canvas-part2.md).
+1. Create a detail gallery (**this topic**).
 
 > [!div class="mx-imgBorder"]
 > ![Definition of screen areas](media/northwind-orders-canvas-part1/orders-parts.png)