diff --git a/env.example b/env.example
index ce666600..6463db5b 100644
--- a/env.example
+++ b/env.example
@@ -187,14 +187,17 @@ OPENAI_LLM_MAX_COMPLETION_TOKENS=9000
 #### OpenAI's new API utilizes max_completion_tokens instead of max_tokens
 # OPENAI_LLM_MAX_COMPLETION_TOKENS=9000
 
+### use the following command to see all support options for OpenAI, azure_openai or OpenRouter
+### lightrag-server --llm-binding openai --help
+### OpenAI Specific Parameters
+# OPENAI_LLM_REASONING_EFFORT=minimal
 ### OpenRouter Specific Parameters
 # OPENAI_LLM_EXTRA_BODY='{"reasoning": {"enabled": false}}'
 ### Qwen3 Specific Parameters depoly by vLLM
 # OPENAI_LLM_EXTRA_BODY='{"chat_template_kwargs": {"enable_thinking": false}}'
 
-### use the following command to see all support options for OpenAI, azure_openai or OpenRouter
-### lightrag-server --llm-binding openai --help
-
+### use the following command to see all support options for Ollama LLM
+### lightrag-server --llm-binding ollama --help
 ### Ollama Server Specific Parameters
 ### OLLAMA_LLM_NUM_CTX must be provided, and should at least larger than MAX_TOTAL_TOKENS + 2000
 OLLAMA_LLM_NUM_CTX=32768
@@ -202,8 +205,6 @@ OLLAMA_LLM_NUM_CTX=32768
 # OLLAMA_LLM_NUM_PREDICT=9000
 ### Stop sequences for Ollama LLM
 # OLLAMA_LLM_STOP='["</s>", "<|EOT|>"]'
-### use the following command to see all support options for Ollama LLM
-### lightrag-server --llm-binding ollama --help
 
 ### Bedrock Specific Parameters
 # BEDROCK_LLM_TEMPERATURE=1.0