small edits

src/posts/2026/2026-09-21-tree-style-toc.md

@@ -61,7 +61,7 @@ Our ToC uses the following HTML structure:
 </aside>
 ```
 
-We can ignore the `<aside>`, `<details>`, and `<nav>` components - we're going to focus on the `<ol>`s and `<li>`s.
+We can ignore the `<aside>`, `<details>`, `<summary>`, and `<nav>` components - we're going to focus on the `<ol>`s and `<li>`s.
 
 ## CSS
 
@@ -101,7 +101,7 @@ Those are super off. First, they're tabbed too far in to the left; second, there
 
 ### `li::before`
 
-We're going to use a character from the `tree` output and place it before our list items.
+We're going to use a character (technically two) from the `tree` output and place it before our list items.
 
 ```css
 #toc li::before {