diff --git a/main.go b/main.go
index fdd66d9..17f7405 100644
--- a/main.go
+++ b/main.go
@@ -206,15 +206,15 @@ func Translate(
 
 var cli struct {
 	Config          string   `short:"c" default:"~/.config/translate.toml" help:"Path to config file"`
-	BaseURL         string   `short:"b" help:"LLM API BASE URL" default:"https://api.openai.com/v1"`
+	BaseURL         string   `short:"b" help:"LLM API base URL" default:"https://api.openai.com/v1"`
 	ApiKey          string   `short:"k" help:"LLM API Key"`
-	Model           string   `short:"m" help:"LLM Model" default:"gpt-5-nano"`
-	ReasoningEffort string   `help:"LLM Reasoning Effort (remember some LLM maybe un-support some settings)" default:"minimal"`
+	Model           string   `short:"m" help:"LLM model" default:"gpt-5-nano"`
+	ReasoningEffort string   `help:"LLM reasoning effort (note that some LLMs may not support certain settings)" default:"minimal"`
 	Temperature     *float64 `help:"LLM Temperature"`
-	Lang            string   `short:"l" help:"The target language" default:"zh-CN"`
-	ReverseLang     string   `help:"The target language when use -r" default:"en-US"`
+	Lang            string   `short:"l" help:"Target language" default:"zh-CN"`
+	ReverseLang     string   `help:"Target language when use -r" default:"en-US"`
 	Reverse         bool     `short:"r" help:"Set this flag to true to enable reverse translation"`
-	Src             []string `arg:"" optional:"" name:"src" help:"Text to translate or leave empty to use stdin"`
+	Src             []string `arg:"" optional:"" name:"src" help:"Text to translate, or leave empty to use stdin"`
 }
 
 func main() {