docs/vm: Fix typo in *harden*

Fixes: df4e817b7108 ("mm: page table check")
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Link: https://lore.kernel.org/r/20220117111338.115455-1-pmenzel@molgen.mpg.de
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

diff --git a/Documentation/vm/page_table_check.rst b/Documentation/vm/page_table_check.rst
index 81f521ff7ea7070f593cd89479430c9ab9eb9d3d..1a09472f10a3c8a1c1b031df75084f46667f2bcc 100644 (file)
--- a/Documentation/vm/page_table_check.rst
+++ b/Documentation/vm/page_table_check.rst
@@ -9,7 +9,7 @@ Page Table Check
 Introduction
 ============
 
-Page table check allows to hardern the kernel by ensuring that some types of
+Page table check allows to harden the kernel by ensuring that some types of
 the memory corruptions are prevented.
 
 Page table check performs extra verifications at the time when new pages become