diff --git a/doc/reports.txt b/doc/reports.txt
index 28257c2a..14d439e4 100644
--- a/doc/reports.txt
+++ b/doc/reports.txt
@@ -87,3 +87,6 @@ configuration names flattened, i.e. no hierarchy.
 
 - Need a JSON --> CSV converter, for spreadsheet folks.
 
+- Use display granularity/resolution to see more or less details.  This would
+  combine nicely with a tag hierarchy. (Tomas Babej)
+