Todorarabadzhiev patch 1 (#1386)

* Update how-to-add-groups-to-report.md

Add prev URL

* Update how-to-add-groups-to-report.md

designing-reports/connecting-to-data/data-items/grouping-data/how-to-add-groups-to-report.md

@@ -1,17 +1,17 @@
 ---
 title: Report Groups
 page_title: Report Groups at a Glance
-description: "Learn how to Add, Edit and Remove Report Groups in Telerik Reporting with the Report Designers and programmatically."
+description: "Learn how to Add, Edit, and Remove Report Groups in Telerik Reporting with the Report Designers and programmatically."
 slug: telerikreporting/designing-reports/connecting-to-data/data-items/grouping-data/how-to-add-groups-to-report
-tags: how,to,add,groups,to,report,edit,delete,remove,programmatically,designer
+tags: how,add,groups,report,edit,delete,remove,programmatically,designer
 published: True
 position: 2
-previous_url: /data-items-how-to-add-groups-to-report-item
+previous_url: /data-items-how-to-add-groups-to-report-item, /designing-reports-create-grouping
 ---
 
 # Adding Groups to Report
 
-Report groups are defined by adding __Group__ objects to the report’s __Groups__ collection. Report groups are always nested according to the order in the Groups collection. To display group data one should use the __GroupHeaderSection__ and __GroupFooterSection__ that appear once for each group member, respectively at start and end. The DetailSection displays detail data in a report and always appears inside the innermost group (if any). To add a group, follow these steps:
+Report groups are defined by adding __Group__ objects to the report’s __Groups__ collection. Report groups are always nested according to the order in the Group's collection. To display group data one should use the __GroupHeaderSection__ and __GroupFooterSection__ that appear once for each group member, respectively at start and end. The DetailSection displays detailed data in a report and always appears inside the innermost group (if any). To add a group, follow these steps:
 
 ## Adding a group to a Report using Report Designer
 
@@ -19,7 +19,7 @@ Report groups are defined by adding __Group__ objects to the report’s __Groups
 1. Click the __Groups__ ellipsis.
 1. Follow these steps for each group:
 
-	1. Click Add button - a new unbound group will be added to the __Groups__ collection.
+	1. Click the Add button - a new unbound group will be added to the __Groups__ collection.
 	1. Click the Grouping property ellipsis.
 	1. From the Edit [Grouping dialog]({%slug telerikreporting/designing-reports/report-designer-tools/desktop-designers/tools/edit-grouping-dialog%}), type or select an expression by which to group the data.
 	1. To apply sorting to the group, follow these steps:
@@ -27,7 +27,7 @@ Report groups are defined by adding __Group__ objects to the report’s __Groups
 		+ Click the Sorting ellipsis.
 		+ Click New.
 		+ Type or select an expression by which to sort the data.
-		+ From the Direction column drop-down list, choose the sort direction for each expression. ASC sorts the expression in ascending order. DESC sorts the expression in descending order.
+		+ From the Direction column drop-down list, choose the sort direction for each expression. ASC sorts the expressions in ascending order. DESC sorts the expressions in descending order.
 
 	1. To apply filtering to the group, follow these steps:
 
@@ -38,12 +38,12 @@ Report groups are defined by adding __Group__ objects to the report’s __Groups
 		+ In the Value box, type the expression or value against which you want the filter to evaluate the value in Expression.
 
 	1. In Name, type the name of the group.
-	1. Click GroupKeepTogether to specify the keep together options.
+	1. Click GroupKeepTogether to specify the keep-together options.
 	1. Click BookMarkID to set a BookMark for this group.
 
 1. Click Ok twice to close the Edit Grouping and Group Collection dialogs.
 
-> You can add a group to the Report item by using the grouping pane in the [Group Explorer]({%slug telerikreporting/designing-reports/report-designer-tools/desktop-designers/tools/group-explorer%}) as well. To do so right click on the detail and select __Add Parent Group__. If there are existing groups, you can create Parent or Child groups by right clicking on any of the existing groups.
+> You can add a group to the Report item by using the grouping pane in the [Group Explorer]({%slug telerikreporting/designing-reports/report-designer-tools/desktop-designers/tools/group-explorer%}) as well. To do so right click on the detail and select __Add Parent Group__. If there are existing groups, you can create Parent or Child groups by right-clicking on any of the existing groups.
 
 ## Edit a group in a Report using Report Designer
 
@@ -57,7 +57,7 @@ Report groups are defined by adding __Group__ objects to the report’s __Groups
 	+ Click the Sorting ellipsis.
 	+ Click New.
 	+ Type or select an expression by which to sort the data.
-	+ From the Direction column drop-down list, choose the sort direction for each expression. ASC sorts the expression in ascending order. DESC sorts the expression in descending order.
+	+ From the Direction column drop-down list, choose the sort direction for each expression. ASC sorts the expressions in ascending order. DESC sorts the expressions in descending order.
 
 1. To allow filtering for the group, follow these steps:
 
@@ -73,7 +73,7 @@ Report groups are defined by adding __Group__ objects to the report’s __Groups
 ## Delete a group from a Report using Report Designer
 
 1. Click the Report selector button located in the upper left hand of the [Report Designer]({%slug telerikreporting/designing-reports/report-designer-tools/desktop-designers/visual-studio-report-designer/overview%}). This makes the report active in the Properties window. The grouping pane in the [Group Explorer]({%slug telerikreporting/designing-reports/report-designer-tools/desktop-designers/tools/group-explorer%}) displays the available groups (if any).
-1. Right click on the group and select __Delete Group__.
+1. Right-click on the group and select __Delete Group__.
 1. When prompted to delete it, __Select Yes__.
 
 ## Adding a group to a Report programmatically