diff --git a/README.md b/README.md
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-# Today's Tutorial [May 6, 2026]
-## Lesson 180: ARM-64 Course (Part 17 - Hacking Float Primitive Datatype)
-In this lesson we will discuss hacking the float primitive datatype.
+# Today's Tutorial [May 7, 2026]
+## Lesson 181: ARM-64 Course (Part 18 - Double Primitive Datatype)
+In this lesson we will discuss the double primitive datatype.
 
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