README.md in fitting-2.11.0 vs README.md in fitting-2.12.0

@@ -152,9 +152,14 @@
 ### m size
 
 In addition to the previous comand, you will learn the coverage(enum) json-schemas with task `rake fitting:documentation_responses[m]`
 For details `rake fitting:documentation_responses_error[m]`
 
+### l size
+
+In addition to the previous comand, you will learn the coverage(oneOf) json-schemas with task `rake fitting:documentation_responses[l]`
+For details `rake fitting:documentation_responses_error[l]`
+
 ## Check tests cover
 
 ### xs size
 
 `rake fitting:tests_responses[xs]`