doc: fix incorrect note tag

docs/dependency-specification.md

@@ -173,9 +173,10 @@ with the corresponding `add` call:
 poetry add my-cool-package --source foo
 ```
 
-!!!note
-
-    In this example, we expect `foo` to be configured correctly. See [using a private repository](repositories.md#using-a-private-repository) for further information.
+{{% note %}}
+In this example, we expect `foo` to be configured correctly. See [using a private repository](repositories.md#using-a-private-repository)
+for further information.
+{{% /note %}}
 
 ## Python restricted dependencies