diff --git a/stm-firmware/main.c b/stm-firmware/main.c
index e56db8a..623558e 100644
--- a/stm-firmware/main.c
+++ b/stm-firmware/main.c
@@ -261,7 +261,7 @@ int main()
 			/* Activate loundspeaker permanently */
 			loudspeaker_set(100);
 		} else if (pid_controller_active) {
-			/* In case temperature measuremnt is okay and controlelr is working, write output power */
+			/* In case temperature measurement is okay and controlelr is working, write output power */
 			oven_driver_set_power(pid_controller_output < 0 ? 0U : (uint8_t)pid_controller_output);
 		}