[docs][data grid] Revise the Row Grouping doc (@mapache-salvaje)

docs/.link-check-errors.txt

@@ -1,4 +1,6 @@
 Broken links found by `docs:link-check` that exist:
 
+- https://mui.com/x/react-data-grid/cells/
+- https://mui.com/x/react-data-grid/row-grouping/#disable-the-row-grouping
 - https://mui.com/x/react-tree-view/quickstart/#rich-tree-view
 - https://mui.com/x/react-tree-view/quickstart/#simple-tree-view

docs/data/data-grid/row-grouping/RowGroupingPropagateSelection.js

@@ -41,7 +41,7 @@ export default function RowGroupingPropagateSelection() {
               }
             />
           }
-          label="Auto select descendants"
+          label="Auto-select descendants"
         />
         <FormControlLabel
           control={
@@ -55,7 +55,7 @@ export default function RowGroupingPropagateSelection() {
               }
             />
           }
-          label="Auto select parents"
+          label="Auto-select parents"
         />
       </Stack>
       <div style={{ height: 400 }}>

docs/data/data-grid/row-grouping/RowGroupingPropagateSelection.tsx

@@ -43,7 +43,7 @@ export default function RowGroupingPropagateSelection() {
               }
             />
           }
-          label="Auto select descendants"
+          label="Auto-select descendants"
         />
         <FormControlLabel
           control={
@@ -57,7 +57,7 @@ export default function RowGroupingPropagateSelection() {
               }
             />
           }
-          label="Auto select parents"
+          label="Auto-select parents"
         />
       </Stack>
       <div style={{ height: 400 }}>

docs/data/data-grid/server-side-data/tree-data.md

@@ -75,8 +75,8 @@ The demo below shows a toast apart from the default error message in the groupin
 
 ## Group expansion
 
-The idea behind the group expansion is the same as explained in the [Row grouping](/x/react-data-grid/row-grouping/#group-expansion) section.
-The difference is that the data is not initially available and is fetched automatically after the Data Grid is mounted based on the props `defaultGroupingExpansionDepth` and `isGroupExpandedByDefault` in a waterfall manner.
+Group expansion of server-side tree data works similarly to how it's described in [Row grouping—Group expansion](/x/react-data-grid/row-grouping/#group-expansion).
+The difference is that the data is not initially available and is fetched automatically after the Data Grid is mounted based on the props `defaultGroupingExpansionDepth` and `isGroupExpandedByDefault()` in a waterfall manner.
 
 The following demo uses `defaultGroupingExpansionDepth={-1}` to expand all levels of the tree by default.
 

docs/data/data-grid/tree-data/tree-data.md

@@ -85,11 +85,11 @@ If you want to access the grouping column field, for instance, to use it with co
 
 ## Group expansion
 
-Same behavior as for the [Row grouping](/x/react-data-grid/row-grouping/#group-expansion).
+Group expansion for tree data works similarly to how it's described in [Row grouping—Group expansion](/x/react-data-grid/row-grouping/#group-expansion).
 
-## Automatic parents and children selection
+## Automatic parent and child selection
 
-Same behavior as for the [Row grouping](/x/react-data-grid/row-grouping/#automatic-parents-and-children-selection).
+The behavior for automatic parent and child selection is the same as for row grouping—see [the relevant section](/x/react-data-grid/row-grouping/#automatic-parent-and-child-selection) in that feature's documentation for details.
 
 ## Gaps in the tree
 

docs/src/modules/components/WhatsNewLayout.js

@@ -28,8 +28,8 @@ const entries = [
         url: '/x/react-data-grid/row-spanning/',
       },
       {
-        title: 'Data Grid – Automatic parents and children selection',
-        url: '/x/react-data-grid/row-grouping/#automatic-parents-and-children-selection',
+        title: 'Data Grid – Automatic parent and child selection',
+        url: '/x/react-data-grid/row-grouping/#automatic-parent-and-child-selection',
       },
       {
         title: 'Date and Time Pickers – Support date-fns v4',