diff --git a/docs/act_start_chapter.sgml b/docs/act_start_chapter.sgml
index 65876e9990f2ca811e15d3f2132bc1211402e6dc..45b24c13b8ad37e822055e3a4457b414f0d478e7 100644
--- a/docs/act_start_chapter.sgml
+++ b/docs/act_start_chapter.sgml
@@ -188,7 +188,7 @@ icon.
   <SECT1 ID="RUNNINGPC">
     <TITLE>Running &prog; on Windows Systems</TITLE>
     <PARA>
-On systems with Java 1.5 (or higher) installed &prog; can be
+On systems with Java 1.6 (or higher) installed &prog; can be
 started by double clicking on the act.jar icon.
     </PARA>
   </SECT1>