Minor changes to match the style guide.
diff --git a/Doc/lib/internet.tex b/Doc/lib/internet.tex
index b426132..72ac4b3 100644
--- a/Doc/lib/internet.tex
+++ b/Doc/lib/internet.tex
@@ -2,7 +2,7 @@
 
 \index{WWW}
 \index{Internet}
-\index{World-Wide Web}
+\index{World Wide Web}
 
 The modules described in this chapter implement Internet protocols and 
 support for related technology.  They are all implemented in Python.