diff --git a/en_US.ISO8859-1/books/faq/book.sgml b/en_US.ISO8859-1/books/faq/book.sgml
index 5b7b1a60a0..b6d279b9d9 100644
--- a/en_US.ISO8859-1/books/faq/book.sgml
+++ b/en_US.ISO8859-1/books/faq/book.sgml
@@ -3961,6 +3961,13 @@ quit</programlisting>
 
           <screen>&prompt.root; <userinput>sysctl -w kern.timecounter.method=1</userinput></screen>
 
+	  <note>
+	    <para>The <option>-w</option> option of &man.sysctl.8; is
+	      deprecated and silently ignored in &os; 4.4-RELEASE and all
+	      newer versions.  You can safely ommit it when setting options
+	      with <command>sysctl</command> as shown above.</para>
+	  </note>
+
           <para>This means a performance impact, but considering the cause
             of this problem, you probably will not notice. If the problem
             persists, keep the sysctl set to one and set the