diff --git a/.env.example b/.env.example
index ad045aa..e678ac0 100644
--- a/.env.example
+++ b/.env.example
@@ -1,7 +1,7 @@
 JWT_SECRET_KEY="..."
 MONGODB_URI="..."
-UNSTRUCTURED_API_KEY="..."
 
+UNSTRUCTURED_API_KEY="..." # Optional: Needed for parsing via unstructured API
 OPENAI_API_KEY="..." # Optional: Needed for OpenAI embeddings and completions
 ASSEMBLYAI_API_KEY="..." # Optional: Needed for combined parser
 ANTHROPIC_API_KEY="..." # Optional: Needed for contextual parser