diff --git a/Netdisco/lib/App/Netdisco.pm b/Netdisco/lib/App/Netdisco.pm
index 7020925c..13b4d576 100644
--- a/Netdisco/lib/App/Netdisco.pm
+++ b/Netdisco/lib/App/Netdisco.pm
@@ -152,9 +152,10 @@ will take about 250MB including MIB files.
 
  root:~# useradd -m -p x -s /bin/bash netdisco
 
-Netdisco uses the PostgreSQL database server. Install PostgreSQL and then change
-to the PostgreSQL superuser (usually C<postgres>). Create a new database and
-PostgreSQL user for the Netdisco application:
+Netdisco uses the PostgreSQL database server. Install PostgreSQL (at least
+version 8.4) and then change to the PostgreSQL superuser (usually
+C<postgres>). Create a new database and PostgreSQL user for the Netdisco
+application:
 
  root:~# su - postgres