Update WinCompose instructions

Author: m-dango

doc/Language/unicode_entry.pod6

@@ -85,11 +85,13 @@ It can be installed either via the L<WinCompose releases|https://github.com/samh
 page on GitHub, or with the L<Chocolatey package manager|https://chocolatey.org/packages/wincompose>.
 
 Once the program is installed and running, right click the tray icon and
-select C<Options → General → Compose Key> to set your desired key.
+select C<Options → Composing → Behavior → Compose Key> to set your desired key.
 
-WinCompose uses L<kragen/xcompose|https://github.com/kragen/xcompose> as
-a source, so by default has plenty of useful sequences available.
-These sequences can be viewed by right clicking the tray icon and selecting C<Show Sequences>.
+WinCompose has multiple sources to choose from in C<Options → Composing → Sequences>.
+It is recommended to enable C<XCompose> and disable C<Xorg>, as there are a handful
+of operators which C<Xorg> does not provide sequences for, and C<Xorg> also has
+sequences which conflict with operator sequences present in C<XCompose>.
+Sequences can be viewed by right clicking the tray icon and selecting C<Show Sequences>.
 If you wish to add your own sequences, you can do so by either adding/modifying
 C<.XCompose> in C<%USERPROFILE%>, or editing user-defined sequences in the options menu.