diff --git a/lib/ethernet/mac_stm32fxx7.c b/lib/ethernet/mac_stm32fxx7.c
index 2a404b61..525f6229 100644
--- a/lib/ethernet/mac_stm32fxx7.c
+++ b/lib/ethernet/mac_stm32fxx7.c
@@ -371,7 +371,7 @@ void eth_smi_bit_clear(uint8_t phy, uint8_t reg, uint16_t clearbits)
  *
  * @param[in] phy uint8_t ID of the PHY (defaults to 1)
  * @param[in] reg uint8_t Register address
- * @param[in] bits uint16_t Bits that have to be set (or'ed)
+ * @param[in] setbits uint16_t Bits that have to be set (or'ed)
  */
 void eth_smi_bit_set(uint8_t phy, uint8_t reg, uint16_t setbits)
 {
diff --git a/lib/stm32/can.c b/lib/stm32/can.c
index 37599c9b..f404a4a7 100644
--- a/lib/stm32/can.c
+++ b/lib/stm32/can.c
@@ -464,7 +464,7 @@ void can_fifo_release(uint32_t canport, uint8_t fifo)
 @param[out] fmi Unsigned int8 pointer. ID of the matched filter.
 @param[out] length Unsigned int8 pointer. Length of message payload.
 @param[out] data Unsigned int8[]. Message payload data.
-@param[out] timestamp. Pointer to store the message timestamp.
+@param[out] timestamp Pointer to store the message timestamp.
 			Only valid on time triggered CAN. Use NULL to ignore.
  */
 void can_receive(uint32_t canport, uint8_t fifo, bool release, uint32_t *id,