Fix all wrong instances of "it's".
diff --git a/Lib/ConfigParser.py b/Lib/ConfigParser.py
index ade9614..6dc53b9 100644
--- a/Lib/ConfigParser.py
+++ b/Lib/ConfigParser.py
@@ -28,7 +28,7 @@
         create the parser and specify a dictionary of intrinsic defaults.  The
         keys must be strings, the values must be appropriate for %()s string
         interpolation.  Note that `__name__' is always an intrinsic default;
-        it's value is the section's name.
+        its value is the section's name.
 
     sections()
         return all the configuration section names, sans DEFAULT