diff --git a/README.md b/README.md
index d3a035abe..f4b04a5fd 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ ### Pip installation
 
 ```bash
 pip install metagpt
-metagpt --init-config  # create ~/.metagpt/config2.yaml, modify it to your own config
+metagpt --init-config  # it will create ~/.metagpt/config2.yaml, just modify it to your needs
 metagpt "Create a 2048 game"  # this will create a repo in ./workspace
 ```
 
diff --git a/config/config2.yaml.example b/config/config2.yaml.example
index 2217f1b2c..eb1721625 100644
--- a/config/config2.yaml.example
+++ b/config/config2.yaml.example
@@ -1,10 +1,12 @@
 llm:
-  api_type: "openai"  # or azure / ollama etc.
+  api_type: "openai"  # or azure / ollama / open_llm etc. Check LLMType for more options
   base_url: "YOUR_BASE_URL"
   api_key: "YOUR_API_KEY"
   model: "gpt-4-turbo-preview"  # or gpt-3.5-turbo-1106 / gpt-4-1106-preview
+  repair_llm_output: true  # when the output is not a valid json, try to repair it
+  proxy: "YOUR_PROXY"  # for LLM API requests
 
-proxy: "YOUR_PROXY"
+proxy: "YOUR_PROXY"  # for tools like requests, playwright, selenium, etc.
 
 search:
   api_type: "google"
@@ -41,5 +43,3 @@ iflytek_api_key: "YOUR_API_KEY"
 iflytek_api_secret: "YOUR_API_SECRET"
 
 metagpt_tti_url: "YOUR_MODEL_URL"
-
-repair_llm_output: true
diff --git a/docs/scripts/coverage.sh b/docs/scripts/coverage.sh
index a56571399..22e479200 100755
--- a/docs/scripts/coverage.sh
+++ b/docs/scripts/coverage.sh
@@ -1 +1 @@
-coverage run --source ./metagpt -m pytest --durations=0 --timeout=100 && coverage report -m && coverage html && open htmlcov/index.html
+coverage run --source ./metagpt -m pytest -n 8 --durations=0 --timeout=100 && coverage report -m && coverage html && open htmlcov/index.html