diff --git a/.env.example-full b/.env.example-full
index 21f75075d7f..25cf0e85ca8 100644
--- a/.env.example-full
+++ b/.env.example-full
@@ -34,11 +34,11 @@ GDOCS_BASIC_ARTICLE_TEMPLATE_URL=''
 GDOCS_SHARED_DRIVE_ID=''
 GDOCS_DONATE_FAQS_DOCUMENT_ID=''  # optional
 
-IMAGE_HOSTING_R2_ENDPOINT=''
+IMAGE_HOSTING_R2_ENDPOINT=''  # optional
 IMAGE_HOSTING_R2_CDN_URL=''
 IMAGE_HOSTING_R2_BUCKET_PATH=''
-IMAGE_HOSTING_R2_ACCESS_KEY_ID=''
-IMAGE_HOSTING_R2_SECRET_ACCESS_KEY=''
+IMAGE_HOSTING_R2_ACCESS_KEY_ID=''  # optional
+IMAGE_HOSTING_R2_SECRET_ACCESS_KEY=''  # optional
 
 OPENAI_API_KEY=''