diff --git a/examples/flows/chat/chat-with-pdf/chat-with-pdf.ipynb b/examples/flows/chat/chat-with-pdf/chat-with-pdf.ipynb
index 0947b071b4f..45ca7f5dc03 100644
--- a/examples/flows/chat/chat-with-pdf/chat-with-pdf.ipynb
+++ b/examples/flows/chat/chat-with-pdf/chat-with-pdf.ipynb
@@ -130,7 +130,7 @@
     "\n",
     "config_2k_context = {\n",
     "    \"EMBEDDING_MODEL_DEPLOYMENT_NAME\": \"text-embedding-ada-002\",\n",
-    "    \"CHAT_MODEL_DEPLOYMENT_NAME\": \"gpt-35-turbo\",\n",
+    "    \"CHAT_MODEL_DEPLOYMENT_NAME\": \"gpt-4\", # change this to the name of your deployment if you're using Azure OpenAI\n",
     "    \"PROMPT_TOKEN_LIMIT\": 2000,\n",
     "    \"MAX_COMPLETION_TOKENS\": 256,\n",
     "    \"VERBOSE\": True,\n",
@@ -241,7 +241,7 @@
    "source": [
     "config_3k_context = {\n",
     "    \"EMBEDDING_MODEL_DEPLOYMENT_NAME\": \"text-embedding-ada-002\",\n",
-    "    \"CHAT_MODEL_DEPLOYMENT_NAME\": \"gpt-35-turbo\",\n",
+    "    \"CHAT_MODEL_DEPLOYMENT_NAME\": \"gpt-4\", # change this to the name of your deployment if you're using Azure OpenAI\n",
     "    \"PROMPT_TOKEN_LIMIT\": 3000,\n",
     "    \"MAX_COMPLETION_TOKENS\": 256,\n",
     "    \"VERBOSE\": True,\n",
diff --git a/examples/flows/chat/chat-with-pdf/flow.dag.yaml b/examples/flows/chat/chat-with-pdf/flow.dag.yaml
index 778a0d1ed30..66748140b5d 100644
--- a/examples/flows/chat/chat-with-pdf/flow.dag.yaml
+++ b/examples/flows/chat/chat-with-pdf/flow.dag.yaml
@@ -14,7 +14,7 @@ inputs:
     type: object
     default:
       EMBEDDING_MODEL_DEPLOYMENT_NAME: text-embedding-ada-002
-      CHAT_MODEL_DEPLOYMENT_NAME: gpt-35-turbo # change to gpt-3.5-turbo when using openai
+      CHAT_MODEL_DEPLOYMENT_NAME: gpt-4
       PROMPT_TOKEN_LIMIT: 3000
       MAX_COMPLETION_TOKENS: 256
       VERBOSE: true