docs(graph-insights): add description of content language setting and clean up spacings

docs/explore-and-author/graph-exploration/graph-insights/features/application-settings.md

@@ -10,6 +10,7 @@ Access global configuration via the top-left dropdown menu.
 
 - **Technical details:** Toggles visibility of low-level metadata, including **IRIs** and **SPARQL queries**.
 - **Tree visibility:** Hides empty or deactivated classes in the class tree.
+- **Content language:** Sets the preferred language for captions and descriptions. Options are dynamically populated from the current database and selecting a new language triggers an immediate data reload.
 
 ![Settings Window](../assets/settings.png){ class="bordered" width="60%" }
 

docs/explore-and-author/graph-exploration/graph-insights/features/category-tree.md

@@ -33,7 +33,7 @@ The tree displays the hierarchical taxonomy of the dataset:
 The tree is the primary tool to populate the canvas:
 
 - **Drag and drop (Start):** Dragging a class to an empty area clears the canvas and starts a new exploration with a group of the selected class.
-  *Alternatives: Double-click the class or use its context menu item `Start exploration with class`.*
+    - *Alternatives: Double-click the class or use its context menu item `Start exploration with class`.*
 - **Drag and drop (Intersect):** Drag a class onto an **existing** group to apply an intersection filter (e.g., dragging `German Suppliers` onto `VIP Suppliers` restricts the group to resources with **both classes**).
 
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docs/explore-and-author/graph-exploration/graph-insights/tutorial.md

@@ -91,11 +91,11 @@ We define "VIP" as customers with the highest volume of incoming orders.
 2. **Filter by country:** Open the menu of the `country` column from its header (using the menu dropdown or a right-click) and enter `USA` in the text field of the filter submenu.
 3. **Identify VIPs:** Click the **Predecessors** column header to **Sort Descending**. This ranks customers by their incoming connection count (number of Orders).
 
-![USA Customer Filter](assets/tutorial-usa-customer-filter.png){ class="bordered" width="80%" }
+    ![USA Customer Filter](assets/tutorial-usa-customer-filter.png){ class="bordered" width="80%" }
 
-1. **Select and restrict:** Check the boxes for the top 5 customers and click `Restrict to selection`.
+4. **Select and restrict:** Check the boxes for the top 5 customers and click `Restrict to selection`.
 
-![Top USA Customer Filter](assets/tutorial-top-usa-customer-filter.png){ class="bordered" width="85%" }
+    ![Top USA Customer Filter](assets/tutorial-top-usa-customer-filter.png){ class="bordered" width="85%" }
 
 ### 3.2. Isolate UK Suppliers
 
@@ -163,11 +163,11 @@ Finally, we convert this visual insight into an actionable list for the procurem
     - Right-click a specific high-value item (e.g., "Teatime Chocolate Biscuits") to open its context menu.
     - Select `Flag all connected resources on the branch`.
 
-![Supply Chain: Flag Branch](assets/tutorial-supply-chain-flag-branch-menu.png){ class="bordered" width="85%" }
+        ![Supply Chain: Flag Branch](assets/tutorial-supply-chain-flag-branch-menu.png){ class="bordered" width="85%" }
 
-- Graph Insights highlights all resources on a specific high-risk traversal: The specific UK Supplier → The specific Biscuit → The specific VIP US Customers buying it.
+    - Graph Insights highlights all resources on a specific high-risk traversal: The specific UK Supplier → The specific Biscuit → The specific VIP US Customers buying it.
 
-![Supply Chain: Flagged Branch](assets/tutorial-supply-chain-flagged-branch.png){ class="bordered" width="85%" }
+        ![Supply Chain: Flagged Branch](assets/tutorial-supply-chain-flagged-branch.png){ class="bordered" width="85%" }
 
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