diff --git a/doc/index.docbook b/doc/index.docbook
--- a/doc/index.docbook
+++ b/doc/index.docbook
@@ -36,7 +36,7 @@
 
 <abstract>
 <para>
-&rocs; is a graph theory tool for &kde;.
+&rocs; is a graph theory tool by &kde;.
 </para>
 </abstract>