diff --git a/README.md b/README.md
index 15d308c..845ea70 100644
--- a/README.md
+++ b/README.md
@@ -92,10 +92,10 @@ The Web API will be available on the port 5000. For example: `http://localhost:5
     
 * **Error Response:**
 
-  * **Code:** 422 UNPROCESSABLE ENTRY <br />
+  * **Code:** 400 BAD REQUEST <br />
     **Content:** 
-    `{ error : "Invalid Patient Condition" }` OR `{ error : "Invalid Patient Data" }` 
-    
+    `{ error : "Invalid Patient Condition" }` OR `{ error : "Invalid Patient Data" }` OR `{ error = "Invalid Consultation object" }`
+    
 * **Notes:**
 
   The version 0.1 only supports three types of patient's condition: (1) Cancer.Head&Neck, (2) Cancer.Breast, (3) Flue.