Docs: Mention value from env as default value

sj14 · sj14 · commit 1ba97513c938 · 2024-05-09T09:56:48.000+02:00
diff --git a/docs/v2/examples/flags.md b/docs/v2/examples/flags.md
@@ -470,6 +470,8 @@ func main() {
 }
 ```
 
+When `Value` is not set for the flag, but a matching environment variable is found, the value from the environment will be used in the generated docs as the default value.
+
 #### Values from files
 
 You can also have the default value set from file via `FilePath`.  e.g.

Original file line number	Diff line number	Diff line change
`@@ -470,6 +470,8 @@ func main() {`
`470`	`470`	`}`
`471`	`471`	```
`472`	`472`
	`473`	+When `Value` is not set for the flag, but a matching environment variable is found, the value from the environment will be used in the generated docs as the default value.
	`474`	`+`
`473`	`475`	`#### Values from files`
`474`	`476`
`475`	`477`	You can also have the default value set from file via `FilePath`. e.g.