diff --git a/openapi/dali/dali-maxrec.yaml b/openapi/dali/dali-maxrec.yaml
index 42d5ac7..920b218 100644
--- a/openapi/dali/dali-maxrec.yaml
+++ b/openapi/dali/dali-maxrec.yaml
@@ -2,8 +2,11 @@ name: MAXREC
 in: query
 description: |
   request a specific limit on number of records to return
+required: false
 schema:
     type: integer
     format: int64
-    minimum: 0
-    exclusiveMinimum: false
+    inclusiveMinimum: 0
+    examples: 
+      - 0
+      - 100
diff --git a/openapi/dali/dali-responseformat.yaml b/openapi/dali/dali-responseformat.yaml
index 202eee4..8b3e404 100644
--- a/openapi/dali/dali-responseformat.yaml
+++ b/openapi/dali/dali-responseformat.yaml
@@ -1,5 +1,9 @@
 name: RESPONSEFORMAT
 in: query
 description: select output table format
+required: false
 schema:
     type: string
+    examples: 
+      - application/x-votable+xml
+      - vot
diff --git a/openapi/dali/dali-upload.yaml b/openapi/dali/dali-upload.yaml
index ef9f018..3b5fbdd 100644
--- a/openapi/dali/dali-upload.yaml
+++ b/openapi/dali/dali-upload.yaml
@@ -3,6 +3,13 @@ in: query
 description: |
   specify a comma-separated name,location pair for a temporary 
   resource to be uploaded and used in the request
+required: false
+explode: true
 schema:
-    type: string
-    pattern: '^[a-zA-Z]\w*,\S+$' 
+    type: array
+    items:
+      type: string
+      pattern: '^[a-zA-Z]\w*,\S+$'
+    example: 
+      - tmp1,https://example.net/tmp.vot
+      - tmp2,param:inline-votable