:ref:`VIDIOC_S_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>` you need to
set the ``size`` field of struct
:ref:`v4l2_ext_control <v4l2-ext-control>` to 9. For
- :ref:`VIDIOC_G_EXT_CTRLS` you can set
+ :ref:`VIDIOC_G_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>` you can set
the ``size`` field to ``maximum`` + 1. Which character encoding is
used will depend on the string control itself and should be part
of the control documentation.