Corrected indentation in metadata.rst

docs/metadata.rst

@@ -123,20 +123,20 @@ You can also disable sorting entirely by setting ``"sortable_columns": []``
 
 By default, database views in Datasette do not support sorting. You can use ``sortable_columns`` to enable specific sort orders for a view called ``name_of_view`` in the database ``my_database`` like so::
 
-{
-    "databases": {
-        "my_database": {
-            "tables": {
-                "name_of_view": {
-                    "sortable_columns": [
-                        "clicks",
-                        "impressions"
-                    ]
+    {
+        "databases": {
+            "my_database": {
+                "tables": {
+                    "name_of_view": {
+                        "sortable_columns": [
+                            "clicks",
+                            "impressions"
+                        ]
+                    }
                 }
             }
         }
     }
-}
 
 .. _label_columns: