diff --git a/docker/.env.ai.example b/docker/.env.ai.example
index b539e61b0..642363721 100644
--- a/docker/.env.ai.example
+++ b/docker/.env.ai.example
@@ -1,11 +1,11 @@
 ## LLM
-LLM_PROVIDER= # openai, azure-openai, ollama
+LLM_PROVIDER= # openai, azure_openai, ollama
 
 # openai or openai-api-compatible llm
 OPENAI_API_KEY=
 OPENAI_API_BASE=
 
-# azure-openai
+# azure_openai
 AZURE_CHAT_BASE=
 AZURE_CHAT_KEY=
 AZURE_CHAT_VERSION=
@@ -18,6 +18,7 @@ AZURE_EMBED_VERSION=
 OLLAMA_URL=http://host.docker.internal:11434
 
 GENERATION_MODEL=
+# supported embedding models providers by qdrant: https://qdrant.tech/documentation/embeddings/
 EMBEDDING_MODEL=
 EMBEDDING_MODEL_DIMENSION=
 
diff --git a/wren-ai-service/.env.dev.example b/wren-ai-service/.env.dev.example
index a3c37c2cf..411d52f35 100644
--- a/wren-ai-service/.env.dev.example
+++ b/wren-ai-service/.env.dev.example
@@ -5,13 +5,13 @@ WREN_ENGINE_ENDPOINT=http://localhost:8080
 WREN_UI_ENDPOINT=http://localhost:3000
 
 ## LLM
-LLM_PROVIDER=openai # openai, azure-openai, ollama
+LLM_PROVIDER=openai # openai, azure_openai, ollama
 
 # openai or openai-api-compatible llm
 OPENAI_API_KEY=sk-1234567890
 OPENAI_API_BASE=https://api.openai.com/v1
 
-# azure-openai
+# azure_openai
 AZURE_CHAT_BASE=
 AZURE_CHAT_KEY=
 AZURE_CHAT_VERSION=