Fixed an invalid example (Encoding Object Example)

Author: EricWittmann

versions/3.0.md

@@ -1599,8 +1599,9 @@ requestBody:
           contentType: image/png, image/jpeg
           headers:
             X-Rate-Limit-Limit:
-            description: The number of allowed requests in the current period
-            type: integer
+              description: The number of allowed requests in the current period
+              schema:
+                type: integer
 ```
 
 #### <a name="responsesObject"></a>Responses Object