diff --git a/doc/kde_app_devel/index.docbook b/doc/kde_app_devel/index.docbook
index c1ed3ba9..ca503917 100644
--- a/doc/kde_app_devel/index.docbook
+++ b/doc/kde_app_devel/index.docbook
@@ -539,7 +539,7 @@ the tdefile library, containing the file selection dialogs
 Additionally, for specific solutions KDE offers the following libraries:
 <itemizedlist>
 <listitem><para>
-the tdefx library, containing pixmaps, image effects the KStyle extension to QStyle
+the tdefx library, containing pixmaps, image effects the TDEStyle extension to QStyle
 </para></listitem>
 <listitem><para>
 the tdehtml library, containing KDE's html component