diff --git a/.env.sample b/.env.sample
index da67259..52ff640 100644
--- a/.env.sample
+++ b/.env.sample
@@ -1 +1 @@
-OPENAI_API_KEY=""
\ No newline at end of file
+OPENAI_API_KEY="sk-xxxxx"    # replace "sk-xxxxx" with your secret OpenAI API key