Fix typo: PyMem_Alloc => PyMem_Malloc
diff --git a/Include/unicodeobject.h b/Include/unicodeobject.h
index 729f584..d7b2ace 100644
--- a/Include/unicodeobject.h
+++ b/Include/unicodeobject.h
@@ -1052,7 +1052,7 @@
always ends with a nul character. If size is not NULL, write the number of
wide characters (excluding the null character) into *size.
- Returns a buffer allocated by PyMem_Alloc() (use PyMem_Free() to free it)
+ Returns a buffer allocated by PyMem_Malloc() (use PyMem_Free() to free it)
on success. On error, returns NULL, *size is undefined and raises a
MemoryError. */