diff --git a/env.example b/env.example
index be054576..e322e582 100644
--- a/env.example
+++ b/env.example
@@ -134,7 +134,13 @@ LLM_BINDING_API_KEY=your_api_key
 # LLM_BINDING_API_KEY=your_api_key
 # LLM_BINDING=openai
 
-### Most Commont Parameters for Ollama Server
+### OpenAI Specific Parameters
+### Apply frequency penalty to prevent the LLM from generating repetitive or looping outputs
+# OPENAI_LLM_FREQUENCY_PENALTY=1.1
+### use the following command to see all support options for openai and azure_openai
+### lightrag-server --llm-binding openai --help
+
+### Ollama Server Specific Parameters
 ### Time out in seconds, None for infinite timeout
 TIMEOUT=240
 ### OLLAMA_LLM_NUM_CTX must be larger than MAX_TOTAL_TOKENS + 2000