Docs: Mention value from env as default value

urfave · May 9, 2024 · 1ba9751 · 1ba9751
1 parent a1a099b
commit 1ba9751
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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.