Remove trailing whitespace.
diff --git a/Doc/library/pyexpat.rst b/Doc/library/pyexpat.rst
index e819bd4..6fe60ad 100644
--- a/Doc/library/pyexpat.rst
+++ b/Doc/library/pyexpat.rst
@@ -177,9 +177,9 @@
.. attribute:: xmlparser.buffer_size
- The size of the buffer used when :attr:`buffer_text` is true.
- A new buffer size can be set by assigning a new integer value
- to this attribute.
+ The size of the buffer used when :attr:`buffer_text` is true.
+ A new buffer size can be set by assigning a new integer value
+ to this attribute.
When the size is changed, the buffer will be flushed.