diff --git a/README.md b/README.md
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@@ -22,9 +22,9 @@ By using this repository and course, you acknowledge and agree that:
 
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-# Today's Tutorial [August 26, 2026]
-## Lesson 277: Embedded Assembler Course (Chapter 6: ARM Cortex-M Registers)
-This chapter covers the ARM Cortex-M registers within the STM32F401CCU6 architecture.
+# Today's Tutorial [August 27, 2026]
+## Lesson 278: Embedded Assembler Course (Chapter 7: ARM Thumb2 Instruction Set)
+This chapter covers the ARM Thumb2 instruction set within the STM32F401CCU6 architecture.
 
 -> Click [HERE](https://github.com/mytechnotalent/Embedded-Assembler/blob/main/Embedded-Assembler.pdf) to read the FREE pdf book.