diff --git a/Doc/lib/libdoctest.tex b/Doc/lib/libdoctest.tex
index 6bd6489..139b384 100644
--- a/Doc/lib/libdoctest.tex
+++ b/Doc/lib/libdoctest.tex
@@ -193,12 +193,15 @@
 searched.  Optionally, the tester can be directed to exclude
 docstrings attached to objects with private names.
 Objects imported into the module are not searched.
+\versionchanged[Previously, the tester defaulted to skipping objects
+with private names (to obtain version independence, explicitly specify
+\var{isprivate} when launching doctests)]{2.3}
 
 In addition, if \code{M.__test__} exists and "is true", it must be a
 dict, and each entry maps a (string) name to a function object, class
 object, or string.  Function and class object docstrings found from
 \code{M.__test__} are searched even if the the tester has been
-directly to skip over private names in the rest of the module.
+directed to skip over private names in the rest of the module.
 In output, a key \code{K} in \code{M.__test__} appears with name
 
 \begin{verbatim}
@@ -312,6 +315,9 @@
   \end{verbatim}
 
   \versionadded{2.3}
+  \warning{\function{DocTestSuite()} does not current search \code{M.__test__}
+  and its search technique does not exactly match \function{testmod()} in
+  every detail.  Future versions will bring the two into convergence.}
 \end{funcdesc}
 
 
diff --git a/Doc/ref/ref3.tex b/Doc/ref/ref3.tex
index 771067d..98618f1 100644
--- a/Doc/ref/ref3.tex
+++ b/Doc/ref/ref3.tex
@@ -1150,7 +1150,7 @@
 By convention, \code{False} is used for false and \code{True} for true.
 
 There are no implied relationships among the comparison operators.
-The truth of {\var{x}==\var{y}} does not imply that \code{\var{x}!=\var{y}}
+The truth of \code{\var{x}==\var{y}} does not imply that \code{\var{x}!=\var{y}}
 is false.  Accordingly, when defining \method{__eq__}, one should also
 define \method{__ne__} so that the operators will behave as expected.