Other chapter titles refer to collections of modules as "Services"; do
the same here.
diff --git a/Doc/lib/windows.tex b/Doc/lib/windows.tex
index 77cf4f7..ced3559 100644
--- a/Doc/lib/windows.tex
+++ b/Doc/lib/windows.tex
@@ -1,4 +1,4 @@
-\chapter{MS Windows Specific Modules}
+\chapter{MS Windows Specific Services}
 
 
 This chapter describes modules that are only available on MS Windows