diff --git a/generative_ai/gemini_guide_example.py b/generative_ai/gemini_guide_example.py
index 0163027c56b..3f8d1884b85 100644
--- a/generative_ai/gemini_guide_example.py
+++ b/generative_ai/gemini_guide_example.py
@@ -22,7 +22,8 @@ def generate_text() -> str:
 
     from vertexai.generative_models import GenerativeModel, Part
 
-    # TODO(developer): Update project_id and location
+    # TODO(developer): Update & uncomment line below
+    # PROJECT_ID = "your-project-id"
     vertexai.init(project=PROJECT_ID, location="us-central1")
 
     model = GenerativeModel("gemini-1.5-flash-001")
diff --git a/generative_ai/gemini_text_input_example.py b/generative_ai/gemini_text_input_example.py
index 6ffbe079175..d97eda9e21b 100644
--- a/generative_ai/gemini_text_input_example.py
+++ b/generative_ai/gemini_text_input_example.py
@@ -21,7 +21,7 @@ def generate_from_text_input() -> str:
     import vertexai
     from vertexai.generative_models import GenerativeModel
 
-    # TODO(developer): Update project_id
+    # TODO(developer): Update & uncomment line below
     # PROJECT_ID = "your-project-id"
     vertexai.init(project=PROJECT_ID, location="us-central1")
 
diff --git a/generative_ai/gemini_video_audio.py b/generative_ai/gemini_video_audio.py
index 0e7b05c6766..3290bc7b495 100644
--- a/generative_ai/gemini_video_audio.py
+++ b/generative_ai/gemini_video_audio.py
@@ -22,7 +22,8 @@ def analyze_video_with_audio() -> str:
     import vertexai
     from vertexai.generative_models import GenerativeModel, Part
 
-    # TODO(developer): Update project_id and location
+    # TODO(developer): Update & uncomment line below
+    # PROJECT_ID = "your-project-id"
     vertexai.init(project=PROJECT_ID, location="us-central1")
 
     model = GenerativeModel("gemini-1.5-flash-001")