doc: document new graduation change types

1 files changed, 17 insertions, 3 deletions

diff --git a/doc/graduation.md b/doc/graduation.md
index 26bd1b2..d39a374 100644
--- a/doc/graduation.md
+++ b/doc/graduation.md
@@ -49,7 +49,8 @@ Valid changes are:
 * `Grün` - sign for wanted behavior
 * `Orange` - sign for unwanted behavior
 * `Rot` - sign for unacceptable behavior
-* `LevelChange` - the student's level changed
+* `LevelÄnderung` - the student's level changed
+* `CoachZuweisung` - one or more assignments of coaches to students
 
 #### Mandatory Changes
 
@@ -58,11 +59,24 @@ Changes can be marked as mandatory by adding `mandatory: true` to its context.
 #### Green Mark
 
 Green marks are collectables.
+Green Marks are archived by a level change.
 
 #### Orange Mark
 
-Orange marks highlight the need for a pedagogical session and are rendered archived by any subsequent `Gespräch` change.
+Orange Marks are archived by a level change.
 
 #### Red Mark
 
-Red Marks track unacceptable behavior and are only archived by consequence explicitly doing so with a `Änderung` change.
+Red Marks are archived by a level change.
+
+#### LevelÄnderung
+
+Changes the level of a student to the value specified in `context.level`.
+
+#### CoachZuweisung
+
+A coach assignment change has the special studentId `-2` and may specify any number of studentIds mapped to a coach name.
+```json
+{"zuweisungen": {1337: "Coachy Mc Coachface"}}
+```
+