Updated README

README.md

@@ -53,9 +53,10 @@ For example, to render a markdown section with half font-size, you can write the
 Some custom HTML tags were created (in the `js/custom-tags.js`) to facilitate the rendering of some components.<br>
 The following custom tags are available:
 
-- "Not supported by ACCESS-NRI" admonition<br>
+- **"Not supported by ACCESS-NRI" admonition**<br>
   The `<custom-not-supported/>` tag renders a preset "Not supported by ACCESS-NRI" admonition.
-- References<br>
+
+- **References**<br>
   The `<custom-references> ... </custom-references>` tag renders references to be used at the bottom of a page. Each reference inside `...` should be a link preceded by a hyphen (`-`) and will be treated as a separate bullet point. Spaces between different references will be disregarded for the rendering.<br>
   For example, to reference 2 links you can write:
   ```
@@ -64,7 +65,8 @@ The following custom tags are available:
     - [Second reference](second-reference-url)
   </custom-references>
   ```
-- Simulated terminal info<br>
+
+- **Simulated terminal info**<br>
   The <custom-simulated-terminal-info/> tag renders a preset info admonition on the pages where simulated terminal are used. It should not be used manually as it is automatically embedded in the pages containing simulated terminals.