diff --git a/Assets/Lectures/RL3.md b/Assets/Lectures/RL3.md
index 81349d9..468385d 100644
--- a/Assets/Lectures/RL3.md
+++ b/Assets/Lectures/RL3.md
@@ -12,11 +12,13 @@
 - i16 : The 16-bit signed integer type.
 - i32 : The 32-bit signed integer type.
 - i64 : The 64-bit signed integer type.
+- i128 : The 128-bit signed integer type.
 - isize : The pointer-sized signed integer type.
 - u8 : The 8-bit unsigned integer type.
 - u16 : The 16-bit unsigned integer type.
 - u32 : The 32-bit unsigned integer type.
 - u64 : The 64-bit unsigned integer type.
+- u128 : The 128-bit unsigned integer type. 
 - usize : The pointer-sized unsigned integer type.
 - f32 : The 32-bit floating point type.
 - f64 : The 64-bit floating point type.