fix spacing

Author: patriciasantaana

src/content/docs/api-shield/security/schema-validation/api.mdx

@@ -56,7 +56,7 @@ Upload a schema via the v4 API using `POST`. This example requires a `example_sc
     kind: "openapi_v3",
     name: "example_schema",
     source: "<SOURCE>",
-     validation_enabled: true
+    validation_enabled: true
   }}
 />