diff --git a/tezt/lib_cloud/cli.ml b/tezt/lib_cloud/cli.ml
index 8c0b2dfa5999c4a6d61b5dfa7f32499e9c6ccbba..142802445869a0ed4013407509d03595e870fad0 100644
--- a/tezt/lib_cloud/cli.ml
+++ b/tezt/lib_cloud/cli.ml
@@ -224,8 +224,11 @@ let machine_type =
     ~section
     ~long:"machine-type"
     ~description:
-      "Can specify a GCP machine type (see \
-       https://cloud.google.com/compute/docs/general-purpose-machines#c3d_series)"
+      (Format.sprintf
+         "Can specify a GCP machine type (see \
+          https://cloud.google.com/compute/docs/general-purpose-machines#n2_series). \
+          Default is %s."
+         Types.Agent_configuration.default_gcp_machine_type)
     Types.Agent_configuration.default_gcp_machine_type
 
 let dockerfile_alias =
diff --git a/tezt/tests/cloud/scenarios_cli.ml b/tezt/tests/cloud/scenarios_cli.ml
index 757a5f28913a6589f144c71564e914d89c0843ed..9b3a7bdf54a67767c0ce1819ef535965628d696f 100644
--- a/tezt/tests/cloud/scenarios_cli.ml
+++ b/tezt/tests/cloud/scenarios_cli.ml
@@ -253,7 +253,8 @@ module Dal () : Dal = struct
       ~description:
         "Specify the machine type used by the stake. The nth machine type will \
          be assigned to the nth stake specified with [--stake]. If less \
-         machine types are specified, the default one will be used."
+         machine types are specified, the default one (or the one specified by \
+         --machine-type) will be used."
       stake_machine_type_typ
       ()