Fix omission in a comment.
diff --git a/Modules/arraymodule.c b/Modules/arraymodule.c
index 72b2043..236c952 100644
--- a/Modules/arraymodule.c
+++ b/Modules/arraymodule.c
@@ -1905,7 +1905,7 @@
* (e.g., non-IEEE floats), or we are pickling the array using
* a Python 2.x compatible protocol.
*
- * It is necessary to a list representation for Python 2.x
+ * It is necessary to use a list representation for Python 2.x
* compatible pickle protocol, since Python 2's str objects
* are unpickled as unicode by Python 3. Thus it is impossible
* to make arrays unpicklable by Python 3 by using their memory