diff --git a/src/doc/2.1/install-and-uninstall.en.html b/src/doc/2.1/install-and-uninstall.en.html
index 179893db3e08095d0d770c02e3c64841d80b4963_c3JjL2RvYy8yLjEvaW5zdGFsbC1hbmQtdW5pbnN0YWxsLmVuLmh0bWw=..436e41012adcf9400da27a47ed9d3cc7ad6d8a90_c3JjL2RvYy8yLjEvaW5zdGFsbC1hbmQtdW5pbnN0YWxsLmVuLmh0bWw= 100644
--- a/src/doc/2.1/install-and-uninstall.en.html
+++ b/src/doc/2.1/install-and-uninstall.en.html
@@ -44,6 +44,17 @@
 make sure you're running the installation with Administrator privileges.
 </p>
 
+<p class="note">
+Windows may warn you that it could not verify the publisher when you try to run
+the installer. This is because the SeaMonkey installer for Windows is not digitally
+signed. As long as you downloaded the installer from either www.seamonkey-project.org
+or mozilla.org, you can safely ignore it (more experienced users may use the checksums
+linked to from the download pages to verify the integrity of the installer).<br>
+Windows Vista/7 will by default present you with an additional warning after
+extracting finished. You also need to confirm this User Account Control warning
+in order to proceed with the installation.
+</p>
+
 <p>
 To install SeaMonkey by downloading the SeaMonkey installer, follow these steps:
 </p>
@@ -54,8 +65,9 @@
     (<tt>SeaMonkey Setup 2.1.exe</tt> or similar file name) to your machine.</li>
   <li>Navigate to where you downloaded the file and double-click the
     installer file icon on your machine to begin the Setup program.</li>
-  <li>Follow the on-screen instructions in the setup program. The program
-    starts automatically the first time.</li>
+  <li>Follow the on-screen instructions in the setup program (see the note about
+    Unknown Publisher warnings above). The program starts automatically the first
+    time.</li>
 </ol>
 
 
diff --git a/src/doc/index.en.html b/src/doc/index.en.html
index 179893db3e08095d0d770c02e3c64841d80b4963_c3JjL2RvYy9pbmRleC5lbi5odG1s..436e41012adcf9400da27a47ed9d3cc7ad6d8a90_c3JjL2RvYy9pbmRleC5lbi5odG1s 100644
--- a/src/doc/index.en.html
+++ b/src/doc/index.en.html
@@ -25,7 +25,7 @@
 
 <ul class="toc">
   <li><a href="#features">SeaMonkey Features</a></li>
-  <li><a href="2.1">SeaMonkey 2.1 Documentation</a></li>
+  <li><a href="2.1">SeaMonkey 2.1 Documentation</a> (also applies to SeaMonkey 2.2)</li>
   <li><a href="2.0">SeaMonkey 2.0 Documentation</a></li>
   <li><a href="1.1">SeaMonkey 1.1 Documentation</a></li>
   <li><a href="#community">Community Help</a></li>