diff --git a/README.org b/README.org
index 7aa44c9..296d70b 100644
--- a/README.org
+++ b/README.org
@@ -115,7 +115,7 @@ Using the a snippet taken from ~/etc/network/interfaces~ on the existing debian
 :CUSTOM_ID: disk_partitioning
 :END:
 
-For this installation we are using ~/dev/sda~ (a 1.5T ssd which is faster then the
+For this installation we are using ~/dev/sdb~ (a 1.5T ssd which is faster then the
 alternative 3.6T ssd in the server).
 
 First, we require a variety of tools to setup and partition the disk destined for Guix