fix build errors

Author: KathrynEE

docs/report/powerbi/sample-boards-featureprogress.md

@@ -244,7 +244,7 @@ https://analytics.dev.azure.com/{organization}/{project}/_odata/v3.0-preview/Wor
 
 ## Transform the data in Power BI
 
-The query returns several columns that you need to expand before you can use them. Any entity pulled in using an OData **$expand** statement returns a record with potentially several fields. Expand the record to flatten the entity into its fields.  
+The query returns several columns that you need to expand before you can use them to create a report. Any entity pulled in using an OData **$expand** statement returns a record with potentially several fields. Expand the record to flatten the entity into its fields.  
 
 For the Feature Progress report, you'll need to carry out the following transforms: 
 

docs/report/powerbi/sample-boards-releaseburndown.md

@@ -96,7 +96,7 @@ https://analytics.dev.azure.com/{organization}/{project}/_odata/v3.0-preview/Wor
 - `{project}` - Your team project name, or omit "/{project}" entirely, for a cross-project query
 - `{areapath}` - Your Area Path. Example format: `Project\Level1\Level2`
 - `{tag}` - A tag that represents your release. All work items tagged with `{tagname}` are included in the report
-- `{startdate}` - The date to start the burndown report
+- `{startdate}` - The date to start the burndown report with the format: `YYYY-MM-DDZ`. For example: `2022-04-01Z` represents 2022-April-01. Don't enclose in quotes. 
 - `{enddate}` - The date to end the burndown report.
 
 

docs/report/powerbi/transform-analytics-data-report-generation.md

@@ -169,7 +169,7 @@ From the Power Query Editor, select the ribbon **Transform** menu.
 
 Sometimes one or more records will contain null values. For example, a value may not have been entered for **Story Points** or **Remaining Work**.  
 
-:::image type="content" source="media/transform-data/records-null-data.png alt-text="Screenshot of Power BI table containing null values. .":::
+:::image type="content" source="media/transform-data/records-null-data.png" alt-text="Screenshot of Power BI table containing null values.":::
 
 For easier reporting, replace nulls with zero by following these steps.
 
@@ -180,6 +180,34 @@ For easier reporting, replace nulls with zero by following these steps.
 	- Enter "0" in **Replace With**.
 1. Choose **OK**.
 
+## Create a custom column
+
+<a id="create-percent-complete" />
+ 
+### Create a percentage complete computed column
+
+1. Select **Add Column** menu.
+1. Select **Custom Column**.
+1. Enter **PercentComplete** for **New column name**.
+1. Enter the following in **Custom column formula**.
+
+    ```
+    = [Completed]/([Proposed]+[InProgress]+[Resolved]+[Completed])
+    ```
+	:::image type="content" source="media/reports-boards/custom-column-dialog-percent-complete.png" alt-text="Custom Column Dialog, PercentComplete syntax.":::
+
+    > [!NOTE]
+    > It is possible you won't have a **Resolved** column, if the work items don't have States mapped to the Resolved State Category. 
+    > If so, then omit "[Resolved]" in the above formula.
+
+1. Press **OK**.
+1. Select **Transform** menu.
+1. Select **Data Type** and select **Percentage**.
+
+[!INCLUDE [temp](includes/sample-finish-query.md)]
+
+
+
 
 ## Rename column fields