diff --git a/T5Q2-C/src/Main.java b/T5Q2-C/src/Main.java
index a1ebe2d..45741c6 100644
--- a/T5Q2-C/src/Main.java
+++ b/T5Q2-C/src/Main.java
@@ -14,17 +14,15 @@ public class Main {
 //        a.print(88); // Compilation error
 
         // IV -
-//        ClassA a = new ClassC(); // Ok -> Upcast A<-C
-//        ClassG g = (ClassG)a; // Compile Error on some JDKs -> Downcast G<-(A<-C)
-//        g.print("hello"); // RunTime error
-        // Upcast is prone to Compiler error and Runtime error
-        // Downcast is prone to Runtime error
+//        ClassA a = new ClassC(); // Ok
+//        ClassG g = (ClassG)a; // Runtime error
+//        g.print("hello");
 
 
         // V - We lost track of the print(string, string) in C become it become a A first
 //        ClassA a = new ClassC(); // ok
-//        ClassG g = (ClassG)a; // Compile Error on some JDKs
-//        g.print("hello", "there"); // Runtime error
+//        ClassG g = (ClassG)a; // Runtime error
+//        g.print("hello", "there");
 
         // VI
 //        ClassA a = new ClassF(); // OK