diff --git a/schemas/type/complex/mapping.schema.yaml b/schemas/type/complex/mapping.schema.yaml
index 3b10098d..e070bc31 100644
--- a/schemas/type/complex/mapping.schema.yaml
+++ b/schemas/type/complex/mapping.schema.yaml
@@ -15,6 +15,7 @@ properties:
     const: mapping
   contains:
     type: object
+    title: Mapping key/value types
     properties:
       key:
         $ref: "schema:ethdebug/format/type/wrapper"
diff --git a/schemas/type/complex/struct.schema.yaml b/schemas/type/complex/struct.schema.yaml
index 01a86369..98b7c5fb 100644
--- a/schemas/type/complex/struct.schema.yaml
+++ b/schemas/type/complex/struct.schema.yaml
@@ -45,12 +45,12 @@ $defs:
       **ethdebug/format/type/wrapper** with additional fields.
     allOf:
       - $ref: "schema:ethdebug/format/type/wrapper"
-      - type: object
-        title: Additional fields
+      - title: Additional fields
         description:
           An object with optional `name` property for identifying named struct
           member fields. **Note** that this language does not specify that a
           struct must be consistent in its use of naming for all fields or none
+        type: object
         properties:
           name:
             type: string
diff --git a/schemas/type/complex/tuple.schema.yaml b/schemas/type/complex/tuple.schema.yaml
index 742ac656..4a282f80 100644
--- a/schemas/type/complex/tuple.schema.yaml
+++ b/schemas/type/complex/tuple.schema.yaml
@@ -16,19 +16,7 @@ properties:
   contains:
     type: array
     items:
-      title: '{ name?, type }'
-      allOf:
-        - $ref: "schema:ethdebug/format/type/wrapper"
-        - properties:
-            name:
-              type: string
-              description:
-                For tuple types where positional element types are identified
-                by name, this field **should** include this information.
-
-                This schema makes no restriction on whether all-or-no elements
-                have names, and so this field may be sparse across elements of
-                the same tuple.
+      $ref: "#/$defs/Element"
 
 required:
   - kind
@@ -49,3 +37,25 @@ examples:
         type:
           kind: uint
           bits: 128
+
+$defs:
+  Element:
+    type: object
+    title: Element
+    description:
+      An optionally named element type within a tuple. This is an
+      **ethdebug/format/type/wrapper** with additional fields.
+    allOf:
+      - $ref: "schema:ethdebug/format/type/wrapper"
+      - title: Additional fields
+        type: object
+        properties:
+          name:
+            type: string
+            description:
+              For tuple types where positional element types are identified
+              by name, this field **should** include this information.
+
+              This schema makes no restriction on whether all-or-no elements
+              have names, and so this field may be sparse across elements of
+              the same tuple.
diff --git a/schemas/type/elementary/contract.schema.yaml b/schemas/type/elementary/contract.schema.yaml
index ef9e3e45..16f41353 100644
--- a/schemas/type/elementary/contract.schema.yaml
+++ b/schemas/type/elementary/contract.schema.yaml
@@ -20,13 +20,15 @@ properties:
     $ref: "schema:ethdebug/format/type/definition"
 
 oneOf:
-  - properties:
+  - title: Normal contract type
+    properties:
       library:
         const: false
       interface:
         const: false
 
-  - properties:
+  - title: Contract library type
+    properties:
       library:
         const: true
         description:
@@ -34,7 +36,8 @@ oneOf:
     required:
       - library
 
-  - properties:
+  - title: Contract interface type
+    properties:
       interface:
         const: true
         description:
diff --git a/web/spec/type/concepts.mdx b/web/spec/type/concepts.mdx
index 2aedf159..4edcbf7f 100644
--- a/web/spec/type/concepts.mdx
+++ b/web/spec/type/concepts.mdx
@@ -112,13 +112,13 @@ possibly includes other fields alongside `"type"`.
       {
         "kind": "struct",
         "contains": [{
-          "member": "balance",
+          "name": "balance",
           "type": {
             "kind": "uint",
             "bits": 256
           }
         }, {
-          "member": "scoreSheet",
+          "name": "scoreSheet",
           "type": {
             "id": "<some opaque ID for some `ScoreSheet` type>"
           }
@@ -127,7 +127,7 @@ possibly includes other fields alongside `"type"`.
       ```
 
       In this example, please note how this struct type represents member names
-      with a `"member"` field alongside the `"type"` field, and note how the
+      with a `"name"` field alongside the `"type"` field, and note how the
       value of `"type"` can be either a complete representation or a reference
       object in the form of `{ id }`.
     </TabItem>