Adding new documentation header for AFHTTPClient +canProcessRequest

AFNetworking/AFHTTPRequestOperation.h

@@ -98,6 +98,11 @@
  */
 + (void)addAcceptableContentTypes:(NSSet *)contentTypes;
 
+
+///-----------------------------------------------------
+/// @name Determining Whether A Request Can Be Processed
+///-----------------------------------------------------
+
 /**
  A Boolean value determining whether or not the class can process the specified request. For example, `AFJSONRequestOperation` may check to make sure the content type was `application/json` or the URL path extension was `.json`.