diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml
index 681662690a..dbf9bd9860 100644
--- a/doc/arm/Bv9ARM-book.xml
+++ b/doc/arm/Bv9ARM-book.xml
@@ -3793,6 +3793,9 @@ $ORIGIN 0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa.
only uses two arguments to the openlog() function,
then this clause is silently ignored.
+
+ On Windows machines syslog messages are directed to the EventViewer.
+
The severity clause works like syslog's
"priorities", except that they can also be used if you are writing