diff --git a/architecture design proposal.md b/architecture design proposal.md
index 393927e..7ccfd69 100755
--- a/architecture design proposal.md	
+++ b/architecture design proposal.md	
@@ -27,7 +27,7 @@ The following terms are used:
 ## Content related
 
 - **post type:** Post type and custom post types within WordPress
-- **Object Type:** ActivityPub [object type](https://www.w3.org/TR/activitystreams-vocabulary/#object types)
+- **Object Type:** ActivityPub [object type](https://www.w3.org/TR/activitystreams-vocabulary/#object-types)
 - **Transformers:** a piece of code that converts items of a particular WordPress post type to an ActivityPub object of (a) specified type(s). For example a transformer that can transform:
     - `post` to a `Note`
     - `post` to a `Article`
@@ -111,7 +111,7 @@ available for a given post type are greyed out in the user interface:
 
 ## Backend
 
-Currently, only one hard-coded transformer exists in [`includes/transformer/class post.php`](https://github.com/Automattic/wordpress-activitypub/blob/master/includes/transformer/class post.php).
+Currently, only one hard-coded transformer exists in [`includes/transformer/class post.php`](https://github.com/Automattic/wordpress-activitypub/blob/master/includes/transformer/class-post.php).
 
 ```php
 /**
@@ -207,6 +207,7 @@ Other WordPress actor types might have valid use cases, like actors for categori
 We keep in mind that every post type shall only ever send as a `Create` Activity once by one single actor.
 
 **User Interface:**
+
 |                  | users | tribe_organizers | custom |  blog | category |
 | -----------------|:-----:|:----------------:|:------:|:-----:|:--------:|
 | **post**         | C     | O                | O      | A     | A        |