diff --git a/security/split-gpg.md b/security/split-gpg.md
index 5b3f8d51..b8e4f2f3 100644
--- a/security/split-gpg.md
+++ b/security/split-gpg.md
@@ -157,9 +157,7 @@ only `gpg2`). If you encounter trouble while trying to set up Split-GPG, make
 sure you're using `gpg2` for your configuration and testing, since keyring data
 may differ between the two installations.
 
-## Qubes 3.2 Specifics ##
-
-### Using Thunderbird + Enigmail with Split GPG ###
+### Using Thunderbird + Enigmail with Split GPG (Qubes 3.2 and 4.0) ###
 
 However, when using Thunderbird with Enigmail extension it is
 not enough, because Thunderbird doesn't preserve the environment
@@ -176,6 +174,10 @@ the name of the GPG backend VM. This file survives the AppVM reboot, of course.
     [user@work ~]$ sudo bash
     [root@work ~]$ echo "work-gpg" > /rw/config/gpg-split-domain
 
+## Qubes 3.2 Specifics ##
+
+None.
+
 ## Qubes 4.0 Specifics ##
 
 ### Using Thunderbird + Enigmail with Split GPG ###