diff --git a/Doc/lib/libfuncs.tex b/Doc/lib/libfuncs.tex
index 63a73b1..d6b5ffe 100644
--- a/Doc/lib/libfuncs.tex
+++ b/Doc/lib/libfuncs.tex
@@ -1173,7 +1173,7 @@
 
 There are several built-in functions that are no longer essential to learn,
 know or use in modern Python programming.  They have been kept here to
-maintain backwards compatability with programs written for older versions
+maintain backwards compatibility with programs written for older versions
 of Python.
 
 Python programmers, trainers, students and bookwriters should feel free to
diff --git a/Doc/lib/libsets.tex b/Doc/lib/libsets.tex
index e90e527..40ea031 100644
--- a/Doc/lib/libsets.tex
+++ b/Doc/lib/libsets.tex
@@ -169,8 +169,8 @@
 
 Also note, the module also includes a \method{union_update()} method
 which is an alias for \method{update()}.  The method is included for
-backwards compatability.  Programmers should prefer the
-\method{update()} method because it the one supported by the builtin
+backwards compatibility.  Programmers should prefer the
+\method{update()} method because it is the one supported by the builtin
 \class{set()} and \class{frozenset()} types.
 
 \subsection{Example \label{set-example}}
@@ -254,7 +254,7 @@
 \item The built-in versions have more space efficient pickles.
 \item The built-in versions do not have a \method{union_update()} method.
       Instead, use the \method{update()} method which is equivalent.
-\item The built-in versions do not have a \method{_repr(sort=True)} method.
+\item The built-in versions do not have a \method{_repr(sorted=True)} method.
       Instead, use the built-in \function{repr()} and \function{sorted()}
       functions:  \code{repr(sorted(s))}.
 \item The built-in version does not have a protocol for automatic conversion