Rename internals directory to advanced

docs/creating-a-package.md

@@ -381,7 +381,7 @@ Additional libraries can be found by browsing Atom's *node_modules* folder.
 [apm]: https://github.com/atom/apm
 [git-tag]: http://git-scm.com/book/en/Git-Basics-Tagging
 [wrap-guide]: https://github.com/atom/wrap-guide/
-[keymaps]: internals/keymaps.md
+[keymaps]: advanced/keymaps.md
 [theme-variables]: theme-variables.md
 [tm-tokens]: http://manual.macromates.com/en/language_grammars.html
 [spacepen]: https://github.com/nathansobo/space-pen

docs/index.md

@@ -7,7 +7,7 @@
 
 ### Advanced Topics
 
-* [Configuration](internals/configuration.md)
-* [Keymaps](internals/keymaps.md)
-* [Serialization](internals/serialization.md)
-* [View System](internals/view-system.md)
+* [Configuration](advanced/configuration.md)
+* [Keymaps](advanced/keymaps.md)
+* [Serialization](advanced/serialization.md)
+* [View System](advanced/view-system.md)