Fix all wrong instances of "it's".
diff --git a/Doc/Makefile b/Doc/Makefile
index f68e3f2..0d391af 100644
--- a/Doc/Makefile
+++ b/Doc/Makefile
@@ -87,7 +87,7 @@
# (e.g. OpenBSD needs package gmake installed; use gmake instead of make)
PWD=$(shell pwd)
-# (The trailing colon in the value is needed; TeX places it's default
+# (The trailing colon in the value is needed; TeX places its default
# set of paths at the location of the empty string in the path list.)
TEXINPUTS=$(PWD)/commontex:
diff --git a/Doc/dist/dist.tex b/Doc/dist/dist.tex
index 5db240f..c0a29be 100644
--- a/Doc/dist/dist.tex
+++ b/Doc/dist/dist.tex
@@ -2294,7 +2294,7 @@
\begin{classdesc*}{Extension}
The Extension class describes a single C or \Cpp extension module in a
-setup script. It accepts the following keyword arguments in it's
+setup script. It accepts the following keyword arguments in its
constructor
\begin{tableiii}{c|l|l}{argument name}{argument name}{value}{type}
@@ -2354,7 +2354,7 @@
\end{classdesc*}
\begin{classdesc*}{Command}
-A \class{Command} class (or rather, an instance of one of it's subclasses)
+A \class{Command} class (or rather, an instance of one of its subclasses)
implement a single distutils command.
\end{classdesc*}
@@ -2443,7 +2443,7 @@
(don't actually execute the steps) and \var{force} (rebuild
everything, regardless of dependencies). All of these flags default to
\code{0} (off). Note that you probably don't want to instantiate
-\class{CCompiler} or one of it's subclasses directly - use the
+\class{CCompiler} or one of its subclasses directly - use the
\function{distutils.CCompiler.new_compiler()} factory function
instead.
@@ -3323,7 +3323,7 @@
The option_table is a list of 3-tuples: \samp{(long_option,
short_option, help_string)}
-If an option takes an argument, it's \var{long_option} should have \code{'='}
+If an option takes an argument, its \var{long_option} should have \code{'='}
appended; \var{short_option} should just be a single character, no \code{':'}
in any case. \var{short_option} should be \code{None} if a \var{long_option}
doesn't have a corresponding \var{short_option}. All option tuples must have
diff --git a/Doc/perl/l2hinit.perl b/Doc/perl/l2hinit.perl
index e27f238..89deed0 100644
--- a/Doc/perl/l2hinit.perl
+++ b/Doc/perl/l2hinit.perl
@@ -98,7 +98,7 @@
$dir =~ s/$dd$//;
$TEXINPUTS = "$dir$envkey$mytexinputs";
# Push everything into $TEXINPUTS since LaTeX2HTML doesn't pick
- # this up on it's own; we clear $ENV{'TEXINPUTS'} so the value set
+ # this up on its own; we clear $ENV{'TEXINPUTS'} so the value set
# for this by the main LaTeX2HTML script doesn't contain duplicate
# directories.
if ($ENV{'TEXINPUTS'}) {