[PATCH] mm/page_owner: avoid docs build warning

[Randy Dunlap]

Fix literal block and indentation to prevent a docs build warning:

Documentation/mm/page_owner.rst:70: WARNING: Literal block expected; none found. [docutils]

Fixes: c34eea8cecca ("mm/page_owner: document page_owner filter")
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
---
OK, there may be a better way but I didn't find it.

Cc: Zhen Ni <zhen.ni@xxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
Cc: linux-doc@xxxxxxxxxxxxxxx
Cc: linux-mm@xxxxxxxxx

 Documentation/mm/page_owner.rst |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

--- linux-next-20260706.orig/Documentation/mm/page_owner.rst
+++ linux-next-20260706/Documentation/mm/page_owner.rst
@@ -65,14 +65,15 @@ un-tracking state.
 Usage
 =====
 
-1) Build user-space helpers::
+1) Build user-space helpers:
+::
 
-To filter page_owner output:
+   To filter page_owner output:
 
 	cd tools/mm
 	make page_owner_filter
 
-To sort and analyze page_owner output:
+   To sort and analyze page_owner output:
 
 	cd tools/mm
 	make page_owner_sort