diff --git a/mm/sparse.c b/mm/sparse.c
index 239f5a720d38fbe781751d2e3cb422cf49509d7d..e8f36e4796d0e51ce9bc7b62b78204eddd0c57c3 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -106,7 +106,7 @@ static inline int sparse_index_init(unsigned long section_nr, int nid)
 
 /*
  * Although written for the SPARSEMEM_EXTREME case, this happens
- * to also work for the flat array case becase
+ * to also work for the flat array case because
  * NR_SECTION_ROOTS==NR_MEM_SECTIONS.
  */
 int __section_nr(struct mem_section* ms)