diff --git a/doc/source/dev/dev-quickstart.rst b/doc/source/dev/dev-quickstart.rst
index ea6171ba6e..c960365c24 100644
--- a/doc/source/dev/dev-quickstart.rst
+++ b/doc/source/dev/dev-quickstart.rst
@@ -489,7 +489,7 @@ and uses the ``agent_ipmitool`` driver by default::
 
     # The parameters below represent the minimum possible values to create
     # functional nodes.
-    IRONIC_VM_SPECS_RAM=1024
+    IRONIC_VM_SPECS_RAM=1280
     IRONIC_VM_SPECS_DISK=10
 
     # Size of the ephemeral partition in GB. Use 0 for no ephemeral partition.