diff --git a/sysprof.doap b/sysprof.doap
index 3f64e94a..54a0c37f 100644
--- a/sysprof.doap
+++ b/sysprof.doap
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <Project xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
          xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
          xmlns:foaf="http://xmlns.com/foaf/0.1/"
@@ -17,6 +18,8 @@
   <mailing-list rdf:resource="http://mail.gnome.org/mailman/listinfo/sysprof-list" />
   <download-page rdf:resource="http://sysprof.com/" />
   <bug-database rdf:resource="https://bugzilla.gnome.org/browse.cgi?product=sysprof" />
+  <category rdf:resource="http://api.gnome.org/doap-extensions#apps" />
+  <programming-language>C</programming-language>
 
   <maintainer>
     <foaf:Person>