Fix markup
diff --git a/Doc/library/math.rst b/Doc/library/math.rst
index 36cdbce..8c9f0f8 100644
--- a/Doc/library/math.rst
+++ b/Doc/library/math.rst
@@ -36,7 +36,7 @@
Return *x* with the sign of *y*. ``copysign`` copies the sign bit of an IEEE
754 float, ``copysign(1, -0.0)`` returns *-1.0*.
- ..versionadded:: 2.6
+ .. versionadded:: 2.6
.. function:: fabs(x)
@@ -78,7 +78,7 @@
Checks if the float *x* is positive or negative infinite.
- ..versionadded:: 2.6
+ .. versionadded:: 2.6
.. function:: isnan(x)
@@ -88,7 +88,7 @@
``inf / inf`` or any operation involving a NaN, e.g. ``nan * 1``, return
a NaN.
- ..versionadded:: 2.6
+ .. versionadded:: 2.6
.. function:: ldexp(x, i)