Fix all wrong instances of "it's".
diff --git a/Lib/idlelib/configDialog.py b/Lib/idlelib/configDialog.py
index 1984845..63bcae2 100644
--- a/Lib/idlelib/configDialog.py
+++ b/Lib/idlelib/configDialog.py
@@ -27,7 +27,7 @@
self.configure(borderwidth=5)
self.geometry("+%d+%d" % (parent.winfo_rootx()+20,
parent.winfo_rooty()+30))
- #Theme Elements. Each theme element key is it's display name.
+ #Theme Elements. Each theme element key is its display name.
#The first value of the tuple is the sample area tag name.
#The second value is the display name list sort index.
self.themeElements={'Normal Text':('normal','00'),