Updated Groups documentation to reflect #11455

Added information on *Group by Current Selection*, featured added by JabRef/jabref#11455

en/finding-sorting-and-cleaning-entries/groups.md

@@ -49,7 +49,7 @@ Just like directories, groups are structured like a tree, with the group _All En
 
 The properties of a group can be defined in the 'Edit group' dialog window (the same window is displayed when creating a new group). To modify the group properties, right-click on the group name in the group pane and select **Edit group** in the context menu.
 
-![Edit group window](https://user-images.githubusercontent.com/6931104/188163107-c0e55fd7-51a6-4350-8ded-598aa720dc77.png)
+![Edit group window](https://github.com/JabRef/user-documentation/assets/111776404/1160f401-8155-4628-8176-2824b55ab67e)
 
 ### Name
 
@@ -162,6 +162,14 @@ The group contains the entries cited in a LaTeX document, based on its '.aux' fi
 
 The content of the group is updated dynamically whenever the `.aux` file changes.
 
+#### Current Selection
+
+The group created acts as an explicit collection, but automatically includes all entries that are currently selected in the entry panel. If more than one entries is selected, this option is picked as default.
+
+![Field for collecting by current selection](https://github.com/JabRef/user-documentation/assets/111776404/02c8458d-1071-4de6-b4c7-bfb49c330e7a)
+
+The content of the group is not dynamically changed. 
+
 ## Group color bars in the entry table
 
 To see easily to which groups an entry belongs to, the entry table has a column dedicated to groups. For each entry, a set of color bars is displayed. The number of bars and their colors depend on the groups to which the entry belongs to.