diff --git a/boards/xtensa/esp32/esp32-core/include/board.h b/boards/xtensa/esp32/esp32-core/include/board.h
index 8d97ca4cea..264238df0d 100644
--- a/boards/xtensa/esp32/esp32-core/include/board.h
+++ b/boards/xtensa/esp32/esp32-core/include/board.h
@@ -40,7 +40,7 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-/* Clocking ****************************************************************/
+/* Clocking *****************************************************************/
 
 /* The ESP32 Core board V2 is fitted with either a 26 a 40MHz crystal */