diff --git a/architecture design proposal.md b/architecture design proposal.md
index 7f2b5d5..ceb3f00 100755
--- a/architecture design proposal.md	
+++ b/architecture design proposal.md	
@@ -202,7 +202,6 @@ We keep in mind that every post type shall only ever send as a `Create` Activity
 
 **User Interface:**
 
-
 |                  | users | tribe_organizers | custom |  blog | category |
 | -----------------|:-----:|:----------------:|:------:|:-----:|:--------:|
 | **post**         | C     | O                | O      | A     | A        |
@@ -212,8 +211,8 @@ We keep in mind that every post type shall only ever send as a `Create` Activity
  
 **x:** WordPress actor-types  
 **y:** WordPress post types  
-**C:** Create  
-**A:** Announce  
+**C:** Create  - can only be assigned once per row
+**A:** Announce - can be assigned multiple times per row, but only if a Create has been assigned before
 **user:** the WordPress user publishing or updating something  
 **all:** blog-wide actor, everything that is published (like a relay)  
 **custom:** e.g. only a certain post_type that gets announced with this actor