Use \versionchanged for the feature change
diff --git a/Doc/lib/libdoctest.tex b/Doc/lib/libdoctest.tex
index 5a997d6..73b29ad 100644
--- a/Doc/lib/libdoctest.tex
+++ b/Doc/lib/libdoctest.tex
@@ -1061,7 +1061,7 @@
\begin{funcdesc}{DocFileSuite}{\optional{module_relative}\optional{,
package}\optional{, setUp}\optional{,
tearDown}\optional{, globs}\optional{,
- optionflags}\optional{, parser}}
+ optionflags}\optional{, parser}}
Convert doctest tests from one or more text files to a
\class{\refmodule{unittest}.TestSuite}.
@@ -1130,9 +1130,9 @@
\versionadded{2.4}
- Starting in Python 2.5, the global \code{__file__} was added to the
+ \versionchanged[The global \code{__file__} was added to the
globals provided to doctests loaded from a text file using
- \function{DocFileSuite()}.
+ \function{DocFileSuite()}]{2.5}
\end{funcdesc}
\begin{funcdesc}{DocTestSuite}{\optional{module}\optional{,