diff --git a/docs/release/installation/expansion.rst b/docs/release/installation/expansion.rst
index df0edb2d..fddeed21 100644
@@ -12,11 +12,10 @@ The below file is the inventory template of deployment nodes:
-You can edit the network.yml which you had edited before the first deployment.
+You need to edit the network.yml which you had edited the first deployment.
-External subnet's ip_range should be changed as the first 6 IPs are already taken
-by the first deployment.
+External subnet's ip_range should exclude the IPs those have already been used.
Edit DHA File