diff --git a/docs/standalone.xml b/docs/standalone.xml
index 1c7e08ad0..2d89ee6c0 100644
--- a/docs/standalone.xml
+++ b/docs/standalone.xml
@@ -329,7 +329,7 @@ all            all                REJECT   info</programlisting>
     <acronym>ISDN</acronym>, your external interface will be <filename
     class="devicefile">ippp0</filename>.</para>
 
-    <tip>
+    <caution>
       <para>Be sure you know which interface is your external interface. Many
       hours have been spent floundering by users who have configured the wrong
       interface. If you are unsure, then as root type "ip route ls" at the
@@ -349,7 +349,7 @@ root@lists:~# </programlisting>
 
       <para>In that example, <filename class="devicefile">eth0</filename> is
       the external interface.</para>
-    </tip>
+    </caution>
 
     <para><inlinegraphic fileref="images/BD21298_.gif" format="GIF" /></para>
 
diff --git a/docs/three-interface.xml b/docs/three-interface.xml
index 243d91063..308555ac8 100644
--- a/docs/three-interface.xml
+++ b/docs/three-interface.xml
@@ -382,7 +382,7 @@ $FW        net         ACCEPT</programlisting>
     external interface will be <filename
     class="devicefile">ippp0</filename>.</para>
 
-    <tip>
+    <caution>
       <para>Be sure you know which interface is your external interface. Many
       hours have been spent floundering by users who have configured the wrong
       interface. If you are unsure, then as root type "ip route ls" at the
@@ -405,7 +405,7 @@ root@lists:~# </programlisting>
 
       <para>In that example, <filename class="devicefile">eth0</filename> is
       the external interface.</para>
-    </tip>
+    </caution>
 
     <para><inlinegraphic fileref="images/BD21298_.gif" format="GIF" /></para>
 
diff --git a/docs/two-interface.xml b/docs/two-interface.xml
index 2383ff7cc..96e896066 100644
--- a/docs/two-interface.xml
+++ b/docs/two-interface.xml
@@ -354,7 +354,7 @@ $FW        net         ACCEPT</programlisting> The above policy will:
     <acronym>ISDN</acronym>, your external interface will be <filename
     class="devicefile">ippp0</filename>.</para>
 
-    <tip>
+    <caution>
       <para>Be sure you know which interface is your external interface. Many
       hours have been spent floundering by users who have configured the wrong
       interface. If you are unsure, then as root type "ip route ls" at the
@@ -377,7 +377,7 @@ root@lists:~# </programlisting>
 
       <para>In that example, <filename class="devicefile">eth0</filename> is
       the external interface.</para>
-    </tip>
+    </caution>
 
     <para><inlinegraphic fileref="images/BD21298_.gif" format="GIF" /></para>