diff --git a/Objects/obmalloc.c b/Objects/obmalloc.c
index 1e06bee..15c442b 100644
--- a/Objects/obmalloc.c
+++ b/Objects/obmalloc.c
@@ -836,7 +836,7 @@ static int running_on_valgrind = -1;
 
 /*
  * Alignment of addresses returned to the user. 8-bytes alignment works
- * on most current architectures (with 32-bit or 64-bit address busses).
+ * on most current architectures (with 32-bit or 64-bit address buses).
  * The alignment value is also used for grouping small requests in size
  * classes spaced ALIGNMENT bytes apart.
  *