Accept three comments from @takluyver

Author: Myke Cuthbert

_sections/20-statement.md

@@ -13,10 +13,10 @@ and techniques to maintain compatibility efficiently, it is a small but
 constant friction in the development of a lot of code.
 
 We are keen to use Python 3 to its full potential, and though 
-we had been accepting the
-cost of writing cross-compatible code to allow a smooth transition, we
+we accepted the cost of writing cross-compatible 
+code to allow a smooth transition, we
 did not intend to maintain this compatibility indefinitely. Although the
-transition was not as quick as we hoped, it has taken place, with
+transition was not as quick as we hoped, it is taking place, with
 more and more people using, teaching and recommending Python 3.
 
 The developers of the Python language extended support of Python 2.7 from 2015
@@ -35,6 +35,6 @@ if you enjoy the free, first party support for many projects including the Scien
 Python stack, please move to Python 3.
 
 For all of these reasons, the following projects have pledged to **drop support
-for Python 2.7 no later than 2020**, coinciding with the Python development
-team's [drop of support for Python
-2.7 on January 1, 2020](https://www.python.org/dev/peps/pep-0373/#update).
+for Python 2.7 no later than 2020**, following the [end of support for Python
+2.7 itself](https://www.python.org/dev/peps/pep-0373/#update) at the start of
+the year.