make it clearer that our screenshots are of old versions.

svn:r3634

doc/tor-doc-osx.html

@@ -25,7 +25,8 @@ new features and new bugs.
 </p>
 
 <p>Our Tor installer should make everything pretty simple. Below is a
-screenshot of the setup page:
+screenshot of the setup page (your version will probably be newer than
+the version printed in this screenshot):
 </p>
 
 <img alt="tor installer splash page"

doc/tor-doc-win32.html

@@ -23,7 +23,8 @@ new features and new bugs.
 </p>
 
 <p>Our Tor installer should make everything pretty simple. Below is a
-screenshot of the setup page:
+screenshot of the setup page (your version will probably be newer than
+the version printed in this screenshot):
 </p>
 
 <img alt="tor installer splash page"