Preserve critical whitespace in Doc/*.
diff --git a/Doc/c-api/buffer.rst b/Doc/c-api/buffer.rst
index 7df9c33..e36d01f 100644
--- a/Doc/c-api/buffer.rst
+++ b/Doc/c-api/buffer.rst
@@ -99,7 +99,7 @@
occur (striding in a contiguous memory block).
If all suboffsets are negative (i.e. no de-referencing is needed, then
- this field must be NULL (the default value).
+ this field must be NULL (the default value).
Here is a function that returns a pointer to the element in an N-D array
pointed to by an N-dimensional index when there are both non-NULL strides