Doc fix.
diff --git a/doc/documentation-main.html b/doc/documentation-main.html
index eb83697..8cee92a 100644
--- a/doc/documentation-main.html
+++ b/doc/documentation-main.html
@@ -1406,7 +1406,7 @@
signOut("uk")
</pre>
-For this ordering, you can use the XML attribute <tt>order-by-instances</tt>. This attribute is valid either on <suite> or <test>:
+For this ordering, you can use the XML attribute <tt>group-by-instances</tt>. This attribute is valid either on <suite> or <test>:
<pre class="brush: xml">
<suite name="Factory" group-by-instances="true">