diff --git a/stmhal/cmsis/devinc/stm32f405xx.h b/stmhal/cmsis/devinc/stm32f405xx.h
index 99a54bf22b..9e50eff7ea 100644
--- a/stmhal/cmsis/devinc/stm32f405xx.h
+++ b/stmhal/cmsis/devinc/stm32f405xx.h
@@ -9,7 +9,7 @@
   *          This file contains:
   *           - Data structures and the address mapping for all peripherals
   *           - Peripheral's registers declarations and bits definition
-  *           - Macros to access peripheral’s registers hardware
+  *           - Macros to access peripheral's registers hardware
   *
   ******************************************************************************
   * @attention