diff --git a/ports/stm32f4/boards/STM32F405_boot.ld b/ports/stm32f4/boards/STM32F405_boot.ld
index cff2af388e..64da3b6520 100644
--- a/ports/stm32f4/boards/STM32F405_boot.ld
+++ b/ports/stm32f4/boards/STM32F405_boot.ld
@@ -17,7 +17,7 @@ MEMORY
 _minimum_stack_size = 2K;
 _minimum_heap_size = 16K;
 
-/* Define tho top end of the stack.  The stack is full descending so begins just
+/* Define the top end of the stack.  The stack is full descending so begins just
    above last byte of RAM.  Note that EABI requires the stack to be 8-byte
    aligned for a call. */
 _estack = ORIGIN(RAM) + LENGTH(RAM);
@@ -105,4 +105,3 @@ SECTIONS
     .ARM.attributes 0 : { *(.ARM.attributes) }
 }
 
-
diff --git a/ports/stm32f4/boards/feather_stm32f405_express/mpconfigboard.mk b/ports/stm32f4/boards/feather_stm32f405_express/mpconfigboard.mk
index e7c5353b4b..3fc8581ef9 100644
--- a/ports/stm32f4/boards/feather_stm32f405_express/mpconfigboard.mk
+++ b/ports/stm32f4/boards/feather_stm32f405_express/mpconfigboard.mk
@@ -15,7 +15,8 @@ MCU_SUB_VARIANT = stm32f405xx
 MCU_PACKAGE = 64
 CMSIS_MCU = STM32F405xx
 
-LD_FS = boards/STM32F405_fs.ld # Default to internal FS
+# Default includes filesystem, but uses external flash
+LD_FS = boards/STM32F405_fs.ld 
 LD_BOOT = boards/STM32F405_boot.ld # UF2 boot option
 UF2_OFFSET = 0x8010000
 
diff --git a/ports/stm32f4/boards/pyboard_v11/mpconfigboard.mk b/ports/stm32f4/boards/pyboard_v11/mpconfigboard.mk
index b83852c4cf..ef1b8f0ca1 100644
--- a/ports/stm32f4/boards/pyboard_v11/mpconfigboard.mk
+++ b/ports/stm32f4/boards/pyboard_v11/mpconfigboard.mk
@@ -12,5 +12,5 @@ MCU_VARIANT = stm32f4
 MCU_SUB_VARIANT = stm32f405xx
 MCU_PACKAGE = 64
 CMSIS_MCU = STM32F405xx
-LD_FILE = boards/STM32F405.ld
+LD_FILE = boards/STM32F405_fs.ld