diff --git a/demo-notebooks/additional-demos/hf_interactive.ipynb b/demo-notebooks/additional-demos/hf_interactive.ipynb
index 102dc8d5..d598a24b 100644
--- a/demo-notebooks/additional-demos/hf_interactive.ipynb
+++ b/demo-notebooks/additional-demos/hf_interactive.ipynb
@@ -127,7 +127,7 @@
    "id": "12eef53c",
    "metadata": {},
    "source": [
-    "Next, we want to bring our cluster up, so we call the `up()` function below to submit our Ray Cluster onto the queue, and begin the process of obtaining our resource cluster."
+    "Next, we want to bring our cluster up, so we call `cluster.apply()` below to submit our Ray Cluster onto the queue, and begin the process of obtaining our resource cluster."
    ]
   },
   {
diff --git a/demo-notebooks/guided-demos/notebook-ex-outputs/0_basic_ray.ipynb b/demo-notebooks/guided-demos/notebook-ex-outputs/0_basic_ray.ipynb
index 243fd6db..db2d47d0 100644
--- a/demo-notebooks/guided-demos/notebook-ex-outputs/0_basic_ray.ipynb
+++ b/demo-notebooks/guided-demos/notebook-ex-outputs/0_basic_ray.ipynb
@@ -103,7 +103,7 @@
    "id": "12eef53c",
    "metadata": {},
    "source": [
-    "Next, we want to bring our cluster up, so we call the `up()` function below to submit our Ray Cluster onto the queue, and begin the process of obtaining our resource cluster."
+    "Next, we want to bring our cluster up, so we call `cluster.apply()` below to submit our Ray Cluster onto the queue, and begin the process of obtaining our resource cluster."
    ]
   },
   {
diff --git a/demo-notebooks/guided-demos/preview_nbs/0_basic_ray.ipynb b/demo-notebooks/guided-demos/preview_nbs/0_basic_ray.ipynb
index 243fd6db..db2d47d0 100644
--- a/demo-notebooks/guided-demos/preview_nbs/0_basic_ray.ipynb
+++ b/demo-notebooks/guided-demos/preview_nbs/0_basic_ray.ipynb
@@ -103,7 +103,7 @@
    "id": "12eef53c",
    "metadata": {},
    "source": [
-    "Next, we want to bring our cluster up, so we call the `up()` function below to submit our Ray Cluster onto the queue, and begin the process of obtaining our resource cluster."
+    "Next, we want to bring our cluster up, so we call `cluster.apply()` below to submit our Ray Cluster onto the queue, and begin the process of obtaining our resource cluster."
    ]
   },
   {