diff --git a/drivers/misc/rpmsgblk.c b/drivers/misc/rpmsgblk.c
index b35145c26b..114d7de5a4 100644
--- a/drivers/misc/rpmsgblk.c
+++ b/drivers/misc/rpmsgblk.c
@@ -780,7 +780,7 @@ static int rpmsgblk_unlink(FAR struct inode *inode)
  *
  * Parameters:
  *   priv  - The rpmsg-blk handle
- *   len   - The got memroy size
+ *   len   - The got memory size
  *
  * Returned Values:
  *   NULL     - failure
diff --git a/drivers/misc/rpmsgdev.c b/drivers/misc/rpmsgdev.c
index 850ea2a533..58c8a87e20 100644
--- a/drivers/misc/rpmsgdev.c
+++ b/drivers/misc/rpmsgdev.c
@@ -745,7 +745,7 @@ static int rpmsgdev_poll(FAR struct file *filep, FAR struct pollfd *fds,
  *
  * Parameters:
  *   priv  - The rpmsg-device handle
- *   len   - The got memroy size
+ *   len   - The got memory size
  *
  * Returned Values:
  *   NULL     - failure
diff --git a/drivers/mtd/rpmsgmtd.c b/drivers/mtd/rpmsgmtd.c
index 82036cce47..42525d0abd 100644
--- a/drivers/mtd/rpmsgmtd.c
+++ b/drivers/mtd/rpmsgmtd.c
@@ -667,7 +667,7 @@ static int rpmsgmtd_ioctl(FAR struct mtd_dev_s *dev, int cmd,
  *
  * Parameters:
  *   priv  - The rpmsg-mtd handle
- *   len   - The got memroy size
+ *   len   - The got memory size
  *
  * Returned Values:
  *   NULL     - failure