diff --git a/README.md b/README.md
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+++ b/README.md
@@ -4,9 +4,9 @@
 
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-# Today's Tutorial [March 6, 2026]
-## Lesson 124: x64 Course (Part 4 - Number Systems)
-This tutorial will discuss number systems.
+# Today's Tutorial [March 7, 2026]
+## Lesson 125: x64 Course (Part 5 - Binary Addition)
+This tutorial will discuss binary addition.
 
 -> Click [HERE](https://0xinfection.github.io/reversing) to read the FREE ebook.