diff --git a/mozilla/xpinstall/res/content/institems.xul b/mozilla/xpinstall/res/content/institems.xul
index 41105a35cda..454fba834e2 100644
--- a/mozilla/xpinstall/res/content/institems.xul
+++ b/mozilla/xpinstall/res/content/institems.xul
@@ -34,7 +34,8 @@ Contributor(s):
         onload="onLoad()"
         title="&dialog.title;"
         class = "dialog"
-        align = "vertical"
+        orient = "vertical"
+        style = "max-width: 40em;" 
 > 
 
     <script src="chrome://communicator/content/xpinstall/institems.js"></script>
@@ -51,6 +52,9 @@ Contributor(s):
         <separator align="center" class="groove" flex="100%"/>            
         <spring id="verticalSmallSpacer"/>
 
+        <html>&warningText.label;</html>
+        <html>&warningText2.label;</html>
+        <separator/>
         <text class="label" id="componentList" value="&componentList.label;"/>
         <spring id="verticalSmallSpacer"/>
         <spring id="verticalSmallSpacer"/>            
diff --git a/mozilla/xpinstall/res/locale/en-US/institems.dtd b/mozilla/xpinstall/res/locale/en-US/institems.dtd
index 077fca501bf..74a145c00ed 100644
--- a/mozilla/xpinstall/res/locale/en-US/institems.dtd
+++ b/mozilla/xpinstall/res/locale/en-US/institems.dtd
@@ -4,6 +4,8 @@
 <!ENTITY dialogOk.label "Install">
 <!ENTITY items.label "Items to Install">
 <!ENTITY dialog.title "Software Installation">
-<!ENTITY componentList.label "The following packages will be installed:">
-<!ENTITY moduleName.label "Module name">
+<!ENTITY warningText.label "A web site is requesting permission to install software on your machine.">
+<!ENTITY warningText2.label "Software that contains malicious programming instructions could damage or otherwise compromise the contents of your computer.  You should only install software from sites that you trust.">
+<!ENTITY componentList.label "Would you like to install the following packages?">
+<!ENTITY moduleName.label "Package name">
 <!ENTITY moduleSource.label "Location">
\ No newline at end of file
