diff --git a/doc/CDB_Overviews.md b/doc/CDB_Overviews.md
index 99c1026..b463228 100644
--- a/doc/CDB_Overviews.md
+++ b/doc/CDB_Overviews.md
@@ -56,4 +56,4 @@ SELECT CDB_Overviews('table_name');
 
 CDB_Overviews(table_name)
 
-* **table_name** regclass, table for which overviews will be generated
+* **table_name** regclass, table to obtain existing overviews for