diff --git a/doc/hal/Doxyfile_chm b/doc/hal/Doxyfile_chm
index dd8a9ec5f..4a13b1dd0 100644
--- a/doc/hal/Doxyfile_chm
+++ b/doc/hal/Doxyfile_chm
@@ -38,7 +38,7 @@ PROJECT_NAME           = ChibiOS/HAL
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 4.1.0
+PROJECT_NUMBER         = 5.0.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/doc/hal/Doxyfile_html b/doc/hal/Doxyfile_html
index c47908ffb..700bf6d99 100644
--- a/doc/hal/Doxyfile_html
+++ b/doc/hal/Doxyfile_html
@@ -38,7 +38,7 @@ PROJECT_NAME           = ChibiOS/HAL
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 4.1.0
+PROJECT_NUMBER         = 5.0.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/os/hal/ports/STM32/LLD/CANv1/hal_can_lld.c b/os/hal/ports/STM32/LLD/CANv1/hal_can_lld.c
index 309a32f31..09dbac7f0 100644
--- a/os/hal/ports/STM32/LLD/CANv1/hal_can_lld.c
+++ b/os/hal/ports/STM32/LLD/CANv1/hal_can_lld.c
@@ -68,6 +68,7 @@ CANDriver CAND3;
 /**
  * @brief   Programs the filters of CAN 1 and CAN 2.
  *
+ * @param[in] canp      pointer to the @p CANDriver object
  * @param[in] can2sb    number of the first filter assigned to CAN2
  * @param[in] num       number of entries in the filters array, if zero then
  *                      a default filter is programmed
@@ -1006,6 +1007,7 @@ void can_lld_wakeup(CANDriver *canp) {
  * @brief   Programs the filters.
  * @note    This is an STM32-specific API.
  *
+ * @param[in] canp      pointer to the @p CANDriver object
  * @param[in] can2sb    number of the first filter assigned to CAN2
  * @param[in] num       number of entries in the filters array, if zero then
  *                      a default filter is programmed
@@ -1014,7 +1016,8 @@ void can_lld_wakeup(CANDriver *canp) {
  *
  * @api
  */
-void canSTM32SetFilters(CANDriver *canp, uint32_t can2sb, uint32_t num, const CANFilter *cfp) {
+void canSTM32SetFilters(CANDriver *canp, uint32_t can2sb,
+                        uint32_t num, const CANFilter *cfp) {
 
 #if STM32_CAN_USE_CAN2
   osalDbgCheck((can2sb <= STM32_CAN_MAX_FILTERS) &&
diff --git a/os/hal/ports/STM32/LLD/USARTv2/hal_uart_lld.c b/os/hal/ports/STM32/LLD/USARTv2/hal_uart_lld.c
index eb2a00933..6c59357c7 100644
--- a/os/hal/ports/STM32/LLD/USARTv2/hal_uart_lld.c
+++ b/os/hal/ports/STM32/LLD/USARTv2/hal_uart_lld.c
@@ -154,7 +154,7 @@ UARTDriver UARTD8;
 /**
  * @brief   Status bits translation.
  *
- * @param[in] sr        USART SR register value
+ * @param[in] isr       USART SR register value
  *
  * @return  The error flags.
  */
diff --git a/os/hal/ports/STM32/LLD/USBv1/hal_usb_lld.c b/os/hal/ports/STM32/LLD/USBv1/hal_usb_lld.c
index 2e60a0465..f81fa722d 100644
--- a/os/hal/ports/STM32/LLD/USBv1/hal_usb_lld.c
+++ b/os/hal/ports/STM32/LLD/USBv1/hal_usb_lld.c
@@ -107,6 +107,7 @@ static void usb_pm_reset(USBDriver *usbp) {
  *
  * @param[in] usbp      pointer to the @p USBDriver object
  * @param[in] size      size of the packet buffer to allocate
+ * @return              The packet buffer address.
  */
 static uint32_t usb_pm_alloc(USBDriver *usbp, size_t size) {
   uint32_t next;
@@ -120,7 +121,7 @@ static uint32_t usb_pm_alloc(USBDriver *usbp, size_t size) {
 /**
  * @brief   Reads from a dedicated packet buffer.
  *
- * @param[in] udp       pointer to a @p stm32_usb_descriptor_t
+ * @param[in] ep        endpoint number
  * @param[out] buf      buffer where to copy the packet data
  * @return              The size of the receivee packet.
  *
diff --git a/os/hal/src/hal_qspi.c b/os/hal/src/hal_qspi.c
index 06dbc15c6..e8740f57c 100644
--- a/os/hal/src/hal_qspi.c
+++ b/os/hal/src/hal_qspi.c
@@ -134,7 +134,7 @@ void qspiStop(QSPIDriver *qspip) {
  * @post    At the end of the operation the configured callback is invoked.
  *
  * @param[in] qspip     pointer to the @p QSPIDriver object
- * @param[in] cmd       pointer to the command descriptor
+ * @param[in] cmdp      pointer to the command descriptor
  *
  * @api
  */
@@ -156,7 +156,7 @@ void qspiStartCommand(QSPIDriver *qspip, const qspi_command_t *cmdp) {
  * @post    At the end of the operation the configured callback is invoked.
  *
  * @param[in] qspip     pointer to the @p QSPIDriver object
- * @param[in] cmd       pointer to the command descriptor
+ * @param[in] cmdp      pointer to the command descriptor
  * @param[in] n         number of bytes to send
  * @param[in] txbuf     the pointer to the transmit buffer
  *
@@ -182,7 +182,7 @@ void qspiStartSend(QSPIDriver *qspip, const qspi_command_t *cmdp,
  * @post    At the end of the operation the configured callback is invoked.
  *
  * @param[in] qspip     pointer to the @p QSPIDriver object
- * @param[in] cmd       pointer to the command descriptor
+ * @param[in] cmdp      pointer to the command descriptor
  * @param[in] n         number of bytes to send
  * @param[out] rxbuf    the pointer to the receive buffer
  *