docs: cdrom: Fix a typo and rst markup

"The capability fags" should be "The capability flags".

In rst markup, a incorrect markup expression is causing bad rendering in
Sphinx output. Replace the erroneous single quote by a backquote.
Signed-off-by: NRemi Andruccioli <remi.andruccioli@gmail.com>
Link: https://lore.kernel.org/r/20200808163123.17643-1-remi.andruccioli@gmail.comSigned-off-by: NJonathan Corbet <corbet@lwn.net>

Documentation/cdrom/cdrom-standard.rst

@@ -571,7 +571,7 @@ phase. Currently, the capabilities are any of::
 	CDC_DRIVE_STATUS	/* driver implements drive status */
 
 The capability flag is declared *const*, to prevent drivers from
-accidentally tampering with the contents. The capability fags actually
+accidentally tampering with the contents. The capability flags actually
 inform `cdrom.c` of what the driver can do. If the drive found
 by the driver does not have the capability, is can be masked out by
 the *cdrom_device_info* variable *mask*. For instance, the SCSI CD-ROM
@@ -750,7 +750,7 @@ Description of routines in `cdrom.c`
 
 Only a few routines in `cdrom.c` are exported to the drivers. In this
 new section we will discuss these, as well as the functions that `take
-over' the CD-ROM interface to the kernel. The header file belonging
+over` the CD-ROM interface to the kernel. The header file belonging
 to `cdrom.c` is called `cdrom.h`. Formerly, some of the contents of this
 file were placed in the file `ucdrom.h`, but this file has now been
 merged back into `cdrom.h`.