diff --git a/Marlin/src/pins/stm32f1/pins_BEAST.h b/Marlin/src/pins/stm32f1/pins_BEAST.h
index b136ca52cd7..cf64ff1c6a2 100644
--- a/Marlin/src/pins/stm32f1/pins_BEAST.h
+++ b/Marlin/src/pins/stm32f1/pins_BEAST.h
@@ -24,7 +24,7 @@
 #include "env_validate.h"
 
 /**
- * 21017 Victor Perez Marlin for stm32f1 test
+ * 2017 Victor Perez Marlin for stm32f1 test
  */
 
 #define BOARD_INFO_NAME      "Beast STM32"
diff --git a/Marlin/src/pins/stm32f1/pins_STM32F1R.h b/Marlin/src/pins/stm32f1/pins_STM32F1R.h
index a2efa632f8c..9cbc69149cd 100644
--- a/Marlin/src/pins/stm32f1/pins_STM32F1R.h
+++ b/Marlin/src/pins/stm32f1/pins_STM32F1R.h
@@ -24,7 +24,7 @@
 #include "env_validate.h"
 
 /**
- * 21017 Victor Perez Marlin for stm32f1 test
+ * 2017 Victor Perez Marlin for stm32f1 test
  */
 
 #define BOARD_INFO_NAME      "Misc. STM32F1R"
diff --git a/Marlin/src/pins/stm32f1/pins_STM3R_MINI.h b/Marlin/src/pins/stm32f1/pins_STM3R_MINI.h
index b4cf21ee7f0..e5b16460f01 100644
--- a/Marlin/src/pins/stm32f1/pins_STM3R_MINI.h
+++ b/Marlin/src/pins/stm32f1/pins_STM3R_MINI.h
@@ -24,7 +24,7 @@
 #include "env_validate.h"
 
 /**
- * 10 Dec 2017 Victor Perez Marlin for stm32f1 test
+ * 2017 Victor Perez Marlin for stm32f1 test
  */
 
 #define BOARD_INFO_NAME      "STM3R Mini"