diff --git a/content/en/content-management/urls.md b/content/en/content-management/urls.md
index c4afbe0b7..4389b1dca 100644
--- a/content/en/content-management/urls.md
+++ b/content/en/content-management/urls.md
@@ -209,7 +209,7 @@ content/posts/post-1.md
 
 ## Ugly URLs
 
-If you would like to have what are often referred to as "ugly URLs" (e.g., example.com/urls.html), set `uglyurls = true` or `uglyurls: true` in your site's `config.toml` or `config.yaml`, respectively. You can also use the `--uglyURLs=true` [flag from the command line][usage] with `hugo` or `hugo server`.
+If you would like to have what are often referred to as "ugly URLs" (e.g., example.com/urls.html), set `uglyurls = true` or `uglyurls: true` in your site's `config.toml` or `config.yaml`, respectively. You can also set the `HUGO_UGLYURLS` environment variable to `true` when running `hugo` or `hugo server`.
 
 If you want a specific piece of content to have an exact URL, you can specify this in the [front matter][] under the `url` key. The following are examples of the same content directory and what the eventual URL structure will be when Hugo runs with its default behavior.