Interrupts.md

@@ -13,7 +13,7 @@ Other interrupts have to be explicitly enabled. In STM32 boards, this typically
 
 #### 1.1 Timer peripherals
 
-For TIMER peripherals in STM32 you ave to set the `DIER` register. You can find this kind of information in the microcontroller's datasheet.
+For TIMER peripherals in STM32 you have to set the `DIER` register. You can find this kind of information in the microcontroller's datasheet.
 
 ```cpp
 // enable interrupt on Update Event (overflow) of TIM2