Merge pull request OAI#1284 from OAI/dm/media-type-key

Added fix for media type examples

Author: Ron

versions/3.0.md

@@ -1452,11 +1452,15 @@ In addition, specific media types MAY be specified:
 # multiple, specific media types may be specified:
 requestBody:
   content:
-    'image/png, image/jpeg':
       # a binary file of type png or jpeg
+    'image/jpeg':
       schema:
         type: string
         format: binary
+    'image/png':
+      schema:
+        type: string
+        format: binary        
 ```
 
 To upload multiple files, a `multipart` media type MUST be used: