diff --git a/config/install/mercury_editor.menu.settings.yml b/config/install/mercury_editor.menu.settings.yml
index b36a605d5faf30cb5ba35b32a5261779d1e82535..a6e8c105284fe20a4f9c317dd13f5e70396bd349 100644
--- a/config/install/mercury_editor.menu.settings.yml
+++ b/config/install/mercury_editor.menu.settings.yml
@@ -1 +1 @@
-groups: {}
+groups: ""
diff --git a/config/schema/mercury_editor.schema.yml b/config/schema/mercury_editor.schema.yml
index 8eded11a9d5268b41843d936c780d819eb03ddc4..39c2721748c55bf617dfb18620ef8fe0f04ba9af 100644
--- a/config/schema/mercury_editor.schema.yml
+++ b/config/schema/mercury_editor.schema.yml
@@ -58,6 +58,12 @@ mercury_editor.settings:
     dialog_tray_width:
       type: integer
       label: 'Default width of the Mercury Editor tray'
+    rollover_padding_block:
+      type: integer
+      label: 'Block padding on component rollover'
+    rollover_padding_inline:
+      type: integer
+      label: 'Inline padding on component rollover'
     bundles:
       type: sequence
       label: 'Bundles'