Fix markup.

diff --git a/Doc/library/math.rst b/Doc/library/math.rst
index d8e7d44176a979272a0d1bbbe81530a1a6346100..9bccf5dcd6c3cc88d6c4a84db2020f9ed477b02c 100644 (file)
--- a/Doc/library/math.rst
+++ b/Doc/library/math.rst
@@ -300,7 +300,7 @@ The module also defines two mathematical constants:
    platform and libm implementation. It's usually :exc:`ValueError` for *EDOM*
    and :exc:`OverflowError` for errno *ERANGE*.
 
-   ..versionchanged:: 2.6
+   .. versionchanged:: 2.6
       In earlier versions of Python the outcome of an operation with NaN as
       input depended on platform and libm implementation.