diff --git a/content/get-started/writing-on-github/working-with-advanced-formatting/attaching-files.md b/content/get-started/writing-on-github/working-with-advanced-formatting/attaching-files.md
index 9e3f76ad768a..0d8309b7b858 100644
--- a/content/get-started/writing-on-github/working-with-advanced-formatting/attaching-files.md
+++ b/content/get-started/writing-on-github/working-with-advanced-formatting/attaching-files.md
@@ -22,6 +22,8 @@ To attach a file to an issue or pull request conversation, drag and drop it into
 
 ![Select attachments from computer](/assets/images/help/pull_requests/select-bar.png)
 
+When you attach a file, it is uploaded immediately to {% data variables.product.product_name %} and the text field is updated to show the anonymized URL for the file. {% ifversion fpt or ghec %}For more information on anonymized URLs see "[About anonymized URLs](/github/authenticating-to-github/about-anonymized-urls)".{% endif %}
+
 {% tip %}
 
 **Tip:** In many browsers, you can copy-and-paste images directly into the box.