diff --git a/examples/.env.example b/examples/.env.example
index d71b30773787..e82f539a5269 100644
--- a/examples/.env.example
+++ b/examples/.env.example
@@ -1,12 +1,12 @@
-ANTHROPIC_API_KEY=ADD_YOURS_HERE
-COHERE_API_KEY=ADD_YOURS_HERE
-HUGGINGFACEHUB_API_KEY=ADD_YOURS_HERE
-OPENAI_API_KEY=ADD_YOURS_HERE
-PINECONE_API_KEY=ADD_YOURS_HERE
+ANTHROPIC_API_KEY=ADD_YOURS_HERE # https://www.anthropic.com/
+COHERE_API_KEY=ADD_YOURS_HERE # https://dashboard.cohere.ai/api-keys
+HUGGINGFACEHUB_API_KEY=ADD_YOURS_HERE # https://huggingface.co/settings/tokens
+OPENAI_API_KEY=ADD_YOURS_HERE # https://platform.openai.com/account/api-keys
+PINECONE_API_KEY=ADD_YOURS_HERE # https://app.pinecone.io/organizations
 PINECONE_ENVIRONMENT=ADD_YOURS_HERE
-PINECONE_INDEX=ADD_YOURS_HERE
-SERPAPI_API_KEY=ADD_YOURS_HERE
-SERPER_API_KEY=ADD_YOURS_HERE
-SUPABASE_PRIVATE_KEY=ADD_YOURS_HERE
-SUPABASE_URL=ADD_YOURS_HERE
-REPLICATE_API_KEY=ADD_YOURS_HERE
\ No newline at end of file
+PINECONE_INDEX=ADD_YOURS_HERE # E.g. "trec-question-classification" when using "Cohere Trec" example index
+REPLICATE_API_KEY=ADD_YOURS_HERE # https://replicate.com/account
+SERPAPI_API_KEY=ADD_YOURS_HERE # https://serpapi.com/manage-api-key
+SERPER_API_KEY=ADD_YOURS_HERE # https://serper.dev/api-key
+SUPABASE_PRIVATE_KEY=ADD_YOURS_HERE # https://app.supabase.com/project/YOUR_PROJECT_ID/settings/api
+SUPABASE_URL=ADD_YOURS_HERE # # https://app.supabase.com/project/YOUR_PROJECT_ID/settings/api
\ No newline at end of file