mm/damon: grammar s/works/work/

Correct a singular versus plural grammar mistake in the help text for
the DAMON_VADDR config symbol.

Link: https://lkml.kernel.org/r/20210914073451.3883834-1-geert@linux-m68k.org
Fixes: 3f49584b ("mm/damon: implement primitives for the virtual memory address spaces")
Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: NSeongJae Park <sjpark@amazon.de>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

mm/damon/Kconfig

@@ -30,7 +30,7 @@ config DAMON_VADDR
 	select PAGE_IDLE_FLAG
 	help
 	  This builds the default data access monitoring primitives for DAMON
-	  that works for virtual address spaces.
+	  that work for virtual address spaces.
 
 config DAMON_VADDR_KUNIT_TEST
 	bool "Test for DAMON primitives" if !KUNIT_ALL_TESTS