--- a/doc/book/en/index.txt	Wed Nov 19 14:05:54 2008 -0800
+++ b/doc/book/en/index.txt	Thu Nov 20 00:15:19 2008 +0100
@@ -12,7 +12,7 @@
 
 Its main features:
 
-* a engine driven by the explicit data model of the application, 
+* an engine driven by the explicit data model of the application, 
 * a query language similar to W3C's SPARQL, 
 * a selection+view mechanism for semi-automatic XHTML/XML/JSON/text generation, 
 * a library of reusable components (data model and views) that fulfill common needs,