doc: cgroup: improve formatting of io example

We need a literal section, like few paragraphs below.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Link: https://lore.kernel.org/r/20200228000653.1572553-4-kuba@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index ab8b91014afb3a059f0a12f0a196a6b8fb957051..9d16fbc5df631172ee6b34bb3499d041a3a6cb86 100644 (file)
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -1466,7 +1466,7 @@ IO Interface Files
          dios          Number of discard IOs
          ======        =====================
 
-       An example read output follows:
+       An example read output follows::
 
          8:16 rbytes=1459200 wbytes=314773504 rios=192 wios=353 dbytes=0 dios=0
          8:0 rbytes=90430464 wbytes=299008000 rios=8950 wios=1252 dbytes=50331648 dios=3021