Doc'ing more ISS changes

docs/CHANGES.txt

@@ -8,7 +8,7 @@ http://www.tuxpaint.org/
 
 $Id$
 
-2021.October.20 (0.9.27)
+2021.October.21 (0.9.27)
   * New Magic Tools:
     ----------------
     * "Lightning" - Draws a bolt of lightning striking between
@@ -184,16 +184,15 @@ $Id$
       Easton Pillay <https://sourceforge.net/u/jedieaston/profile/>
 
     * Other Windows installer updates:
-      + Remove old OpenCandy stuff from Windows .iss file.
       + Updated to Inno Setup 6
-      + Updated translation files for the installer
       + 64-bit version now to be installed in the standard "Program Files"
-        folder instead of "Program Files (x86)" as before Current 64bit
-        users are recommended to uninstall previous version of TuxPaint
-        before updating to 0.9.27.
-      + Disabled start menu shortcut to outdated translations for readme.html.
+        folder instead of "Program Files (x86)" as before.
+        Installer will invoke uninstaller for existing Tux Paint, if found.
+      + Updated translation files for the installer
       + Added language specification to start menu shorcuts for which
         translation is supported both for the web site and installer.
+      + Disabled start menu shortcut to outdated translations of README.html.
+      + Remove old OpenCandy stuff from Windows .iss file.
       TOYAMA Shin-ichi <shin1@wmail.plala.or.jp>
 
     * Added shell script to build windows installer and portable zip archive.