diff --git a/2. Services/2.1 Foundations/2.1 Foundations.md b/2. Services/2.1 Foundations/2.1 Foundations.md
index c7b89f3..eaa6bd6 100644
--- a/2. Services/2.1 Foundations/2.1 Foundations.md	
+++ b/2. Services/2.1 Foundations/2.1 Foundations.md	
@@ -77,7 +77,7 @@ Foundation services should not integrate with more than one entity broker of any
 ### 2.1.2.2 Business Language
 
 Broker-neighboring services speak primitive business language for their operations.
-For instance, while a Broker may provide a method with the name `InsertStudentAsync` - the equivelant of that on the service layer would be `AddStudentAsync`.
+For instance, while a Broker may provide a method with the name `InsertStudentAsync` - the equivalant of that on the service layer would be `AddStudentAsync`.
 
 In general, most of the CRUD operations shall be converted from a storage language to a business language, and the same goes for non-storage operations such as Queues, for instance we say `PostQueueMessage` but on the business layer we shall say `EnqueueMessage`.
 
@@ -394,7 +394,7 @@ private void Validate(params (dynamic Rule, string Parameter)[] validations)
     {
         if(rule.Condition)
         {
-            invalidStudentException.UpsertData(parameter, rule.Message);
+            invalidStudentException.UpsertDataList(parameter, rule.Message);
         }
     }