diff --git a/Documentation/media/uapi/v4l/format.rst b/Documentation/media/uapi/v4l/format.rst
index 452c6d59cad53dbabca79d81aa51b275fad4162e..3e3efb0e349e60930f5ca30575b3385ef886a59e 100644
--- a/Documentation/media/uapi/v4l/format.rst
+++ b/Documentation/media/uapi/v4l/format.rst
@@ -78,7 +78,7 @@ output devices is available. [#f1]_
 The :ref:`VIDIOC_ENUM_FMT` ioctl must be supported
 by all drivers exchanging image data with applications.
 
-    **Important**
+.. important::
 
     Drivers are not supposed to convert image formats in kernel space.
     They must enumerate only formats directly supported by the hardware.