diff --git a/security/split-gpg.md b/security/split-gpg.md
index 18e24fc0..f6ec75f0 100644
--- a/security/split-gpg.md
+++ b/security/split-gpg.md
@@ -78,6 +78,20 @@ between Split GPG and PGP/MIME.
 
 Configuring and using Split GPG
 -------------------------------
+
+In dom0, make sure the `qubes-gpg-split-dom0` package is installed.
+
+    sudo qubes-dom0-update qubes-gpg-split-dom0
+    
+If using templates based on Debian, make sure you have the `qubes-gpg-split`
+package installed.
+
+    sudo apt-get install qubes-gpg-split
+    
+For Fedora.
+
+    sudo yum install qubes-gpg-split
+
 Start with creating a dedicated AppVM for storing your keys (the GPG backend
 domain). It is recommended that this domain be network disconnected (set its
 netvm to `none`) and only used for this one purpose. In later examples this