doc: fix diagrams

doc/acceptance.md

@@ -14,7 +14,7 @@ stateDiagram
     Submitted: CR Submitted
     InReview: In Review
     [*] --> Submitted: A VLC developer submitted
-    Submitted --> Submitted: CI NOK\nor\nnot mergeable
+    Submitted --> Rejected: CI NOK\nor\nnot mergeable
     Submitted --> Reviewable: CI OK\nand\nmergeable
     Reviewable --> InReview: Thread opened\nor\nAnother Developer voted
     Reviewable --> Accepted: No vote\nNo thread opened\nduring 72h
@@ -33,7 +33,7 @@ stateDiagram
     Submitted: CR Submitted
     InReview: In Review
     [*] --> Submitted: A VLC developer submitted
-    Submitted --> Submitted: CI NOK\nor\nnot mergeable
+    Submitted --> Rejected: CI NOK\nor\nnot mergeable
     Submitted --> Reviewable: CI OK\nand\nmergeable
     Reviewable --> InReview: Thread opened\nor\nAnother Developer voted
     InReview --> Acceptable: All threads resolved\nand\nlen(votes) > 0\nand\n Score > 0