Update index.md

Author: robguthrie

en/src/user_manual/groups/participation_report/index.md

@@ -8,23 +8,27 @@ You're able to choose which groups to include in the report, the start and end d
 
 ![](participation_report_graph.png)
 
-
 ### Actions per month
 
-showing how many threads, comments, polls, votes and reactions have happened per month. This is graphed so you can see ebbs and flows of usage.
+Understand how much participation happens in your group over a given period of time. 
+
+The report shows how many threads, comments, polls, votes and reactions have happened per month. This is graphed so you can see ebbs and flows of usage.
 
 ### Tags
 
 This shows how frequently various tags have been applied during the specified time frame.
 
 ### Actions per user
+Understand who are the most and least active contributors in your group.
 
-This shows how many threads, comments, polls, votes and reactions each user in the specified groups was responsible for during the time frame.
+This table shows how many threads, comments, polls, votes and reactions each user in the specified groups was responsible for during the time frame. You can click specific headings in the table to sort the table by that column.
 
 ### Users per country
 
-How many users are in each country. For all users in your group
+How many users are in each country. For all users in your group. This is based on the IP address of users.
 
 ### Actions per country
 
+Understand which country's users participate the most and least.
+
 Similar to "Actions per user", but the data is grouped by the country the user is detected as being in.