diff --git a/paths/qoc_checkupList_set_status.yaml b/paths/qoc_checkupList_set_status.yaml
index 7319dda..ac18c82 100644
--- a/paths/qoc_checkupList_set_status.yaml
+++ b/paths/qoc_checkupList_set_status.yaml
@@ -22,14 +22,14 @@ post:
               type: array
               items:
                 $ref: '../schemas/pat-BSN.yaml'
-                maxItems: 10000
+                maxItems: 1000
               example: 612345671,123456782,123456789
-              description: A list of BSN's or a list of patId's must be provided and not both at the same time, but one of them must be present.
+              description: BSN's consisting only of zero's or only of nines or the empty BSN are ignored, i.c. BSN's matching regex `^0*|9*$` are ignored. BSN's are NOT checked to be valid (elfproef). BSN which are not exactly 9 numbers long are supplemented by leading zeros until they are exactly nine symbols long. The same is done on the BSN imported from the GIS's. A list of BSN's or a list of patId's must be provided and not both at the same time, but one of them must be present.
             patIds:
               type: array
               items:
                 $ref: '../schemas/pat-patId.yaml'
-                maxItems: 10000
+                maxItems: 1000
               example: 10012,32122,1212
               description: A list of BSN's or a list of patId's must be provided and not both at the same time, but one of them must be present.
           required: 
@@ -40,7 +40,7 @@ post:
   responses:
     '200':
       description: |-
-        BSN's or patId's which are actually updated. BSN's or patId's which were not known in the HIS are ignored. The caller should determine the difference between the two sets to get the ignored patients.
+        BSN's or patId's which are actually updated. BSN's or patId's which were not known in the HIS are ignored. The caller should determine the difference between the two sets to get the ignored patients. If a BSN matched more than one patient, all these patients were updated.
       content: 
         'application/json':
           schema: 
diff --git a/paths/qoc_checkupList_{setKey}.yaml b/paths/qoc_checkupList_{setKey}.yaml
index c40a43b..8fab8f8 100644
--- a/paths/qoc_checkupList_{setKey}.yaml
+++ b/paths/qoc_checkupList_{setKey}.yaml
@@ -120,16 +120,7 @@ get:
                       description: |-
                         An index (0-based) into the `doctors` entry: This is the GP responsible for this patient.
                     status:
-                      type: string
-                      example: open
-                      enum:
-                        - open
-                      description: |-
-                        A key indicating the appointment status for this patient:
-                          
-                        * `open` – An appointment still needs to be made.
-                        
-                        (Work in progress)
+                      $ref: '../schemas/callUpStatus-enum.yaml'
                     address1:
                       type: string
                       description: |-