spelling fixes: arch/x86_64/

Spelling fixes in arch/x86_64/.

Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index 56089cc..ea85172 100644
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -218,7 +218,7 @@
 /*
  * Update nodes_add and decide if to include add are in the zone.
  * Both SPARSE and RESERVE need nodes_add infomation.
- * This code supports one contigious hot add area per node.
+ * This code supports one contiguous hot add area per node.
  */
 static int reserve_hotadd(int node, unsigned long start, unsigned long end)
 {