website: fix JSON typo (resources is array of objects)

website/docs/internals/json-format.html.md

@@ -45,6 +45,7 @@ The following example illustrates the structure of the common `<values-represent
   // "root_module" describes the resources and child modules in the root module.
   "root_module": {
     "resources": [
+      {
         // "address" is the absolute resource address, which callers must consider
         // opaque but may do full string comparisons with other address strings or
         // pass this verbatim to other Terraform commands that are documented to
@@ -87,6 +88,7 @@ The following example illustrates the structure of the common `<values-represent
           "instance_type": "t2.micro",
           // etc, etc
         }
+      }
     ]
 
     "child_modules": [