Update README.md

dr0i · blackwinter · web-flow · commit fd3967f29c6b · 2024-11-14T17:23:19.000+01:00
Co-authored-by: Jens Wille &lt;jens.wille@hbz-nrw.de&gt;
diff --git a/README.md b/README.md
@@ -907,7 +907,7 @@ Replaces the value with its Base64 encoding.
 
 Options:
 
--`url_safe`: Whether to encode a URL. (Default: `false`)
+-`url_safe`: Perform URL-safe encoding (uses Base64URL format). (Default: `false`)
 
 ```perl
 to_base64("<sourceField>"[, url_safe: "<boolean>"])
