diff --git a/doc/index.html b/doc/index.html
index 4b320e20..02ef5157 100644
--- a/doc/index.html
+++ b/doc/index.html
@@ -560,6 +560,15 @@ AR=$(CROSS)ar</pre>
     <pre>sudo port install gmake gsed scons wget gcc_select
 sudo gcc_select gcc40</pre>
 
+    <h3>Open Solaris 2009.06</h3>
+
+    <p>
+    Open Solaris seems to have a problem with Binutils 2.20.
+    It should work if you
+    downgrade mingw-cross-env's Binutils to 2.19 by hand.
+    A good solution needs yet to be found.
+    </p>
+
     <h3>Solaris</h3>
 
     <p>