[PATCH] Documentation: process: Update email client instructions for Thunderbird

[sndanailov@gmail.com]

From: Sotir Danailov <sndanailov@gmail.com>

The instructions don't match with the current Thunderbird interface.

Signed-off-by: Sotir Danailov <sndanailov@gmail.com>
---
 Documentation/process/email-clients.rst | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/Documentation/process/email-clients.rst b/Documentation/process/email-clients.rst
index 16586f6cc888..243203d73272 100644
--- a/Documentation/process/email-clients.rst
+++ b/Documentation/process/email-clients.rst
@@ -280,10 +280,10 @@ to coerce it into behaving.
 - Allow use of an external editor:
   The easiest thing to do with Thunderbird and patches is to use an
   "external editor" extension and then just use your favorite ``$EDITOR``
-  for reading/merging patches into the body text.  To do this, download
-  and install the extension, then add a button for it using
-  :menuselection:`View-->Toolbars-->Customize...` and finally just click on it
-  when in the :menuselection:`Compose` dialog.
+  for reading/merging patches into the body text. To do this, download
+  and install the extension, then open :menuselection:`Write` and add a button
+  for it using :menuselection:`View-->Toolbars-->Customize...` and finally
+  just click on the new button when you wish to use the external editor.
 
   Please note that "external editor" requires that your editor must not
   fork, or in other words, the editor must not return before closing.
@@ -297,7 +297,8 @@ to coerce it into behaving.
 To beat some sense out of the internal editor, do this:
 
 - Edit your Thunderbird config settings so that it won't use ``format=flowed``.
-  Go to :menuselection:`edit-->preferences-->advanced-->config editor` to bring up
+  Go to your main window and find the button for your main dropdown menu.
+  :menuselection:`Menu-->Preferences-->General-->Config Editor...` to bring up
   the thunderbird's registry editor.
 
 - Set ``mailnews.send_plaintext_flowed`` to ``false``
@@ -306,8 +307,6 @@ To beat some sense out of the internal editor, do this:
 
 - :menuselection:`View-->Message Body As-->Plain Text`
 
-- :menuselection:`View-->Character Encoding-->Unicode (UTF-8)`
-
 TkRat (GUI)
 ***********
 
-- 
2.37.0