diff --git a/testhal/AVR/MEGA/ICU/main.c b/testhal/AVR/MEGA/ICU/main.c
index 6f7f82795..7153604fa 100644
--- a/testhal/AVR/MEGA/ICU/main.c
+++ b/testhal/AVR/MEGA/ICU/main.c
@@ -91,7 +91,7 @@ int main(void) {
 
   static ICUConfig icu3cfg = {
     ICU_INPUT_ACTIVE_HIGH,
-    0, /* bogus frequency */
+    0, /* Bogus frequency */
     width_cb,
     period_cb,
     overflow_cb,
diff --git a/testhal/AVR/multi/PAL/main.c b/testhal/AVR/multi/PAL/main.c
index b2bec0b90..482bbacc5 100644
--- a/testhal/AVR/multi/PAL/main.c
+++ b/testhal/AVR/multi/PAL/main.c
@@ -55,7 +55,7 @@ int main(void) {
    */
   chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
 
-  while(TRUE) {
+  while (TRUE) {
     chThdSleepMilliseconds(1000);
   }
 }