diff --git a/config.toml b/config.toml
index 770add2..74a7ebb 100644
--- a/config.toml
+++ b/config.toml
@@ -259,3 +259,16 @@ footer_menu = [
 service = "umami"
 id = "4ee44323-925a-401b-996d-2b6a63dfc527"
 self_hosted_url = "https://stats.zlinux.ru"
+
+[extra.isso]
+enabled_for_all_posts = true  # Enables Isso on all posts. It can be enabled on individual posts by setting `isso = true` in the [extra] section of a post's front matter.
+automatic_loading = true  # If set to false, a "Load comments" button will be shown.
+endpoint_url = "https://comment.zlinux.ru/"  # Accepts relative paths like "/comments/" or "/isso/", as well as full urls like "https://example.com/comments/". Include the trailing slash.
+page_id_is_slug = true  # If true, it will use the relative path for the default language as id; this is the only way to share comments between languages. If false, it will use the entire url as id.
+lang = ""  # Leave blank to match the page's language.
+max_comments_top = "inf"  # Number of top level comments to show by default. If some comments are not shown, an “X Hidden” link is shown.
+max_comments_nested = "5"  # Number of nested comments to show by default. If some comments are not shown, an “X Hidden” link is shown.
+avatar = true
+voting = true
+page_author_hashes = ""  # hash (or list of hashes) of the author.
+lazy_loading = true  # Loads when the comments are in the viewport (using the Intersection Observer API).