[PATCH] doc: cgroup: add missing literal block

[Otto Sabart]

This patch fixes multiple build warnings:
"WARNING: Block quote ends without a blank line; unexpected unindent."

Signed-off-by: Otto Sabart <ottosabart@xxxxxxxxxx>
---
 Documentation/admin-guide/cgroup-v2.rst | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index 7bf3f129c68b..2687a454effc 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -1505,12 +1505,13 @@ The limits are only applied at the peer level in the hierarchy.  This means that
 in the diagram below, only groups A, B, and C will influence each other, and
 groups D and F will influence each other.  Group G will influence nobody.
 
-			[root]
-		/	   |		\
-		A	   B		C
-	       /  \        |
-	      D    F	   G
+::
 
+           [root]
+       /     |     \
+      A      B      C
+     /  \    |
+    D    F   G
 
 So the ideal way to configure this is to set io.latency in groups A, B, and C.
 Generally you do not want to set a value lower than the latency your device
-- 
2.17.2

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