small nits and new files
diff --git a/Doc/lib/libhtmllib.tex b/Doc/lib/libhtmllib.tex
index e192774..75fd994 100644
--- a/Doc/lib/libhtmllib.tex
+++ b/Doc/lib/libhtmllib.tex
@@ -135,7 +135,7 @@
 attribute are not entered in these lists at all.
 
 The module also defines a number of style sheet classes.  These should
-never be instantiated --- their class variables are the only behaviour
+never be instantiated --- their class variables are the only behavior
 required.  Note that style sheets are specifically designed for a
 particular formatter implementation.  The currently defined style
 sheets are: