The message in the cachescheme.HTMLVersionTable.save method needs changing.
See Suggested Fix for problems and changes.

What is written to the version.table file.

#This File is Machine Generated.Please DO NOT CHANGE IT !! .Changing it will BREAK the Applet Installation Cache. This will inturn cause the PLUGIN to break

Also the same message (fileText) in PluginCacheTable.java needs fixing.