diff --git a/meta_package_manager/inventory.py b/meta_package_manager/inventory.py
index 179f4821f..f7ffc8dc2 100644
--- a/meta_package_manager/inventory.py
+++ b/meta_package_manager/inventory.py
@@ -47,11 +47,7 @@ def managers_sankey() -> str:
     output = dedent("""\
         ```mermaid
         ---
-        config:
-          sankey:
-            showValues: false
-            width: 800
-            height: 400
+        config: {"sankey": {"showValues": false, "width": 800, "height": 400}}
         ---
         sankey-beta\n
         """)
diff --git a/readme.md b/readme.md
index 98f1629c3..30a02dd84 100644
--- a/readme.md
+++ b/readme.md
@@ -63,11 +63,7 @@ One CLI to rule them all:
 <!-- managers-sankey-start -->
 ```mermaid
 ---
-config:
-  sankey:
-    showValues: false
-    width: 800
-    height: 400
+config: {"sankey": {"showValues": false, "width": 800, "height": 400}}
 ---
 sankey-beta