diff --git a/configs/stm3220g-eval/README.txt b/configs/stm3220g-eval/README.txt
index a25db07a51b..da29b159224 100644
--- a/configs/stm3220g-eval/README.txt
+++ b/configs/stm3220g-eval/README.txt
@@ -685,6 +685,7 @@ STM3220G-EVAL-specific Configuration Options
      in 32-bit words.  Default 96 (384 bytes)
    CONFIG_STM32_OTGFS_PTXFIFO_SIZE - Size of the periodic Tx FIFO in 32-bit
      words.  Default 96 (384 bytes)
+   CONFIG_STM32_OTGFS_DESCSIZE - Maximum size of a descriptor.  Default: 128
    CONFIG_STM32_OTGFS_SOFINTR - Enable SOF interrupts.  Why would you ever
      want to do that?
    CONFIG_STM32_USBHOST_REGDEBUG - Enable very low-level register access
diff --git a/configs/stm3220g-eval/nsh/defconfig b/configs/stm3220g-eval/nsh/defconfig
index 5a3dd6643dc..decc23e6ca2 100644
--- a/configs/stm3220g-eval/nsh/defconfig
+++ b/configs/stm3220g-eval/nsh/defconfig
@@ -1043,6 +1043,7 @@ CONFIG_USBDEV_TRACE_NRECORDS=128
 #    in 32-bit words.  Default 96 (384 bytes)
 #  CONFIG_STM32_OTGFS_PTXFIFO_SIZE - Size of the periodic Tx FIFO in 32-bit
 #    words.  Default 96 (384 bytes)
+#  CONFIG_STM32_OTGFS_DESCSIZE - Maximum size of a descriptor.  Default: 128
 #  CONFIG_STM32_OTGFS_SOFINTR - Enable SOF interrupts.  Why would you ever
 #    want to do that?
 #  CONFIG_STM32_USBHOST_REGDEBUG - Enable very low-level register access
@@ -1051,9 +1052,10 @@ CONFIG_USBDEV_TRACE_NRECORDS=128
 #   packets. Depends on CONFIG_DEBUG.
 #
 CONFIG_USBHOST=n
-# ONFIG_STM32_OTGFS_RXFIFO_SIZE
+#CONFIG_STM32_OTGFS_RXFIFO_SIZE
 #CONFIG_STM32_OTGFS_NPTXFIFO_SIZE
 #CONFIG_STM32_OTGFS_PTXFIFO_SIZE
+#CONFIG_STM32_OTGFS_DESCSIZE
 CONFIG_STM32_OTGFS_SOFINTR=n
 CONFIG_STM32_USBHOST_REGDEBUG=n
 CONFIG_STM32_USBHOST_PKTDUMP=n
diff --git a/configs/stm3240g-eval/README.txt b/configs/stm3240g-eval/README.txt
index 5f942819c36..908fb93c851 100755
--- a/configs/stm3240g-eval/README.txt
+++ b/configs/stm3240g-eval/README.txt
@@ -848,6 +848,7 @@ STM3240G-EVAL-specific Configuration Options
      in 32-bit words.  Default 96 (384 bytes)
    CONFIG_STM32_OTGFS_PTXFIFO_SIZE - Size of the periodic Tx FIFO in 32-bit
      words.  Default 96 (384 bytes)
+   CONFIG_STM32_OTGFS_DESCSIZE - Maximum size of a descriptor.  Default: 128
    CONFIG_STM32_OTGFS_SOFINTR - Enable SOF interrupts.  Why would you ever
      want to do that?
    CONFIG_STM32_USBHOST_REGDEBUG - Enable very low-level register access
diff --git a/configs/stm32f4discovery/README.txt b/configs/stm32f4discovery/README.txt
index e7dc573536a..84f562d5671 100755
--- a/configs/stm32f4discovery/README.txt
+++ b/configs/stm32f4discovery/README.txt
@@ -901,6 +901,7 @@ STM32F4Discovery-specific Configuration Options
      in 32-bit words.  Default 96 (384 bytes)
    CONFIG_STM32_OTGFS_PTXFIFO_SIZE - Size of the periodic Tx FIFO in 32-bit
      words.  Default 96 (384 bytes)
+   CONFIG_STM32_OTGFS_DESCSIZE - Maximum size of a descriptor.  Default: 128
    CONFIG_STM32_OTGFS_SOFINTR - Enable SOF interrupts.  Why would you ever
      want to do that?
    CONFIG_STM32_USBHOST_REGDEBUG - Enable very low-level register access