diff --git a/wpf-toc.html b/wpf-toc.html
index 138daeff9..d51748aa0 100644
--- a/wpf-toc.html
+++ b/wpf-toc.html
@@ -2289,7 +2289,7 @@
Word Library (DocIO)
Release Notes
- - 2025 Volume 3 - v31.*
- 2025 Volume 2 - v30.*
- 2025 Volume 1 - v29.*
- 2024 Volume 4 - v28.*
- 2024 Volume 3 - v27.*
- 2024 Volume 2 - v26.*
- 2024 Volume 1 - v25.*
- 2023 Volume 4 - v24.*
- 2023 Volume 3 - v23.*
- 2023 Volume 2 - v22.*
+ - 2025 Volume 3 - v31.*
- 2025 Volume 2 - v30.*
- 2025 Volume 1 - v29.*
- 2024 Volume 4 - v28.*
- 2024 Volume 3 - v27.*
- 2024 Volume 2 - v26.*
- 2024 Volume 1 - v25.*
- 2023 Volume 4 - v24.*
- 2023 Volume 3 - v23.*
- 2023 Volume 2 - v22.*
- 2023 Volume 1 - v21.*
- 2022 Volume 4 - v20.4.0.*
- 2022 Volume 3 - v20.3.0.*
- 2022 Volume 2 - v20.2.0.*
- 2022 volume 1 - v20.1.0.*
- 2021 Volume 4 - v19.4.0.*
diff --git a/wpf/TreeGrid/Filtering.md b/wpf/TreeGrid/Filtering.md
index 6235f5c22..b20d9d650 100644
--- a/wpf/TreeGrid/Filtering.md
+++ b/wpf/TreeGrid/Filtering.md
@@ -27,7 +27,7 @@ treeGrid.FilterLevel = FilterLevel.All;
* All - Filter will be applied to all the nodes in SfTreeGrid.
-* Extended - Filter will be applied to all the nodes. If a node matches the filter condition, its all ancestors will be displayed even though the parent node does not match the filter condition.
+* Extended - Filter will be applied to all nodes. However, child nodes are filtered only when their parent node is either in an expanded state or matches the filter condition. If a node matches the filter condition, all of its ancestor nodes will be displayed, even if those ancestors do not match the filter condition.
**Root**
@@ -39,7 +39,7 @@ Filter will be applied to all the nodes in SfTreeGrid. If a parent node does not
**Extended**
-Filter will be applied to all the nodes. If a node matches the filter condition, its all ancestors will also be displayed even though the parent node does not match the filter condition, and parent node’s `IsFiltered` value will be set to false.
+Filter will be applied to all nodes. However, child nodes are filtered only when their parent node is either in an expanded state or matches the filter condition. If a node matches the filter condition, all of its ancestor nodes will be displayed, even if those ancestors do not match the filter condition, and ancestor node’s `IsFiltered` value will be set to false.
N> You can change the `FilterLevel` at run time.