Update re changes in Preferences dialogue terminology

Author: delphidabbler

Docs/ReadMe.txt

@@ -245,14 +245,14 @@ Known Installation and Upgrading Issues
 + Any syntax highlighter customisation you have made will be lost if you are
   updating from any v2 or earlier.
 
-  You will need to redo any customisation using the "Syntax Highlighter" tab of
+  You will need to redo any customisation using the "Syntax Highlighter" page of
   the Preferences dialogue box displayed from the "Tools | Preferences" menu
   option.
 
 + Your source code formatting preferences will have been lost if you are
   updating from v1.7.4 or earlier.
 
-  You will need to reconfigure them using the "Code Formatting" tab of the
+  You will need to reconfigure them using the "Code Formatting" page of the
   Preferences dialogue box displayed from the "Tools | Preferences" menu option.
 
 + If you have updated to CodeSnip v4.2.0 or later from any earlier v4 release,