This is a minor UI issue.
I created a dashboard using the Search App in CDH. The main area of the page was occupied by the "Grid Results" widget. Since there were lots of results in my collection, the label above it said "Showing 1 to 10 of 70 results" but when I filtered the collection, it said "Showing 1 to 10 of 9 results" instead.
Of course, it's not possible to show results 1 to 10 when you only have nine results. It seems like the fix would be to make the second number the lesser of (starting record number + page size) or the total number of results.