diff --git a/fern/products/fern-def/pages/types.mdx b/fern/products/fern-def/pages/types.mdx
index 894f06b53..3769526f6 100644
--- a/fern/products/fern-def/pages/types.mdx
+++ b/fern/products/fern-def/pages/types.mdx
@@ -7,22 +7,24 @@ Types describe the data model of your API.
 
 ## Built-in types
 
-- `string`
-- `integer`
-- `long`
-- `double`
-- `boolean`
-- `datetime` _An [RFC 3339, section 5.6 datetime](https://ijmacd.github.io/rfc3339-iso8601/). For example, `2017-07-21T17:32:28Z`._
-- `date` _An RFC 3339, section 5.6 date (YYYY-MM-DD). For example, `2017-07-21`._
-- `uuid`
-- `base64`
-- `list` _e.g., list\<string\>_
-- `set` _e.g., set\<string\>_
-- `map` _e.g., map\<string, integer\>_
-- `optional` _e.g., optional\<string\>_
-- `literal` _e.g., literal\<"Plants"\>_
-- `file` _e.g., [file uploads](/learn/api-definition/fern/endpoints/multipart)_
-- `unknown` _Represents arbitrary JSON._
+| Type | Description |
+|------|-------------|
+| `string` | Basic string type |
+| `integer` | Integer number type |
+| `long` | Long integer type |
+| `double` | Double precision floating point |
+| `boolean` | Boolean true/false |
+| `datetime` | An [RFC 3339, section 5.6 datetime](https://ijmacd.github.io/rfc3339-iso8601/). For example, `2017-07-21T17:32:28Z` |
+| `date` | An RFC 3339, section 5.6 date (YYYY-MM-DD). For example, `2017-07-21` |
+| `uuid` | UUID identifier |
+| `base64` | Base64 encoded data |
+| `list` | An ordered collection that allows duplicates, e.g., `list<string>` |
+| `set` | An unordered collection with unique elements, e.g., `set<string>` |
+| `map` | Key-value mapping, e.g., `map<string, integer>` |
+| `optional` | Optional value, e.g., `optional<string>` |
+| `literal` | Literal value, e.g., `literal<"Plants">` |
+| `file` | File upload type, e.g., [file uploads](/learn/api-definition/fern/endpoints/multipart) |
+| `unknown` | Represents arbitrary JSON |
 
 ## Custom types
 
@@ -276,4 +278,4 @@ interface Person {
   age: number;
 }
 ```
-</CodeBlock>
+</CodeBlock>
\ No newline at end of file