--- a/manpages/buxon.1
+++ b/manpages/buxon.1
@@ -4,7 +4,7 @@
 .SH SYNOPSIS
 \fBbuxon\fP [uri]
 .SH DESCRIPTION
-\fBbuxon\fP is a RDF sioc:Forum browser, created by the SWAML
+\fBbuxon\fP is an RDF sioc:Forum browser, created by the SWAML
 developers as well and written in PyGTK.
 .PP
 \fBbuxon\fP expects as an input a URI pointing to an RDF file
