diff --git a/_article/electronics/electronics.md b/_article/electronics/electronics.md
index b0da7a8..40fdb04 100644
--- a/_article/electronics/electronics.md
+++ b/_article/electronics/electronics.md
@@ -2,7 +2,7 @@
 title: Electronics
 ---
 
-Electronics involves the study and application of electrical systems, components, and devices.
+This cateogory covers topics for practical use. The theory of [electromagnetism](electromagnetism) is covered by the physics category.
 
 Currently, we have articles for the following subfields:
 
diff --git a/_article/machines/.DS_Store b/_article/machines/.DS_Store
new file mode 100644
index 0000000..612270d
Binary files /dev/null and b/_article/machines/.DS_Store differ
diff --git a/_article/machines/machines.md b/_article/machines/machines.md
index 3569000..d936700 100644
--- a/_article/machines/machines.md
+++ b/_article/machines/machines.md
@@ -2,7 +2,7 @@
 title: Machines
 ---
 
-Machines are devices that use mechanical power to perform tasks.
+This branch will cover mechanical engineering and its applications. The theory on motion and materials are coverd in physics.
 
 Currently, we have articles for the following subfields:
 
diff --git a/mkdocs.yml b/mkdocs.yml
index 66399fa..f6bc599 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -8,7 +8,6 @@ use_directory_urls: true
 watch:
   - _article
 
-markdown: kramdown
 
 theme:
   name: material
diff --git a/overrides/_includes/folder_toc.html b/overrides/_includes/folder_toc.html
deleted file mode 100644
index ac1b1fc..0000000
--- a/overrides/_includes/folder_toc.html
+++ /dev/null
@@ -1,13 +0,0 @@
-<!-- _includes/folder_toc.html -->
-{% if include.folder %}
-<ul>
-  {% assign folder_pages = site.pages | where_exp: "page", "page.url contains include.folder" %}
-  {% for page in folder_pages %}
-    <li>
-      <a href="{{ page.url }}">{{ page.title | escape }}</a>
-    </li>
-  {% endfor %}
-</ul>
-{% else %}
-  <p>No folder specified for TOC.</p>
-{% endif %}
diff --git a/overrides/_includes/test.html b/overrides/_includes/test.html
deleted file mode 100644
index 87eb755..0000000
--- a/overrides/_includes/test.html
+++ /dev/null
@@ -1 +0,0 @@
-<p>This is a test include. If you see this, the include works.</p>