diff --git a/docs/fields/overview.mdx b/docs/fields/overview.mdx
index e96b14192..a006c64d0 100644
--- a/docs/fields/overview.mdx
+++ b/docs/fields/overview.mdx
@@ -83,15 +83,15 @@ There are two arguments available to custom validation functions.
 
 | Property      | Description                                                                                                              |
 | ------------- | ------------------------------------------------------------------------------------------------------------------------ |
-| `data`        | An object of the full collection or global document.                                                                     |
-| `siblingData` | An object of the document data limited to fields within the same parent to the field.                                    |
-| `operation`   | Will be "create" or "update" depending on the UI action or API call.                                                     |
-| `id`          | The value of the collection `id`, will be `undefined` on create request.                                                 |
-| `t`           | The function for translating text, [more](/docs/configuration/i18n).                                                     |
-| `user`        | The currently authenticated user object.                                                                                 |
+| `data`        | An object containing the full collection or global document currently being edited                                       |
+| `siblingData` | An object containing document data that is scoped to only fields within the same parent of this field                    |
+| `operation`   | Will be `create` or `update` depending on the UI action or API call                                                      |
+| `id`          | The `id` of the current document being edited. `id` is `undefined` during the `create` operation                         |
+| `t`           | The function for translating text, [more](/docs/configuration/i18n)                                                      |
+| `user`        | An object containing the currently authenticated user                                                                    |
 | `payload`     | If the `validate` function is being executed on the server, Payload will be exposed for easily running local operations. |
 
-Example:
+### Example
 
 ```ts
 import { CollectionConfig } from 'payload/types'
diff --git a/docs/fields/relationship.mdx b/docs/fields/relationship.mdx
index d7bd48e42..0a07fe0c1 100644
--- a/docs/fields/relationship.mdx
+++ b/docs/fields/relationship.mdx
@@ -131,13 +131,13 @@ The `filterOptions` property can either be a `Where` query, or a function return
 prevent all, or a `Where` query. When using a function, it will be
 called with an argument object with the following properties:
 
-| Property      | Description                                                                          |
-|---------------|--------------------------------------------------------------------------------------|
-| `relationTo`  | The `relationTo` to filter against (as defined on the field)                         |
-| `data`        | An object of the full collection or global document currently being edited           |
-| `siblingData` | An object of the document data limited to fields within the same parent to the field |
-| `id`          | The value of the collection `id`, will be `undefined` on create request              |
-| `user`        | The currently authenticated user object                                              |
+| Property      | Description                                                                                                  |
+|---------------|--------------------------------------------------------------------------------------------------------------|
+| `relationTo`  | The collection `slug` to filter against, limited to this field's `relationTo` property                       |
+| `data`        | An object containing the full collection or global document currently being edited                           |
+| `siblingData` | An object containing document data that is scoped to only fields within the same parent of this field        |
+| `id`          | The `id` of the current document being edited. `id` is `undefined` during the `create` operation             |
+| `user`        | An object containing the currently authenticated user                                                        |
 
 ### Example
 
diff --git a/docs/fields/upload.mdx b/docs/fields/upload.mdx
index 8149ae159..7db96525a 100644
--- a/docs/fields/upload.mdx
+++ b/docs/fields/upload.mdx
@@ -85,15 +85,15 @@ The `filterOptions` property can either be a `Where` query, or a function return
 prevent all, or a `Where` query. When using a function, it will be
 called with an argument object with the following properties:
 
-| Property      | Description                                                                          |
-|---------------|--------------------------------------------------------------------------------------|
-| `relationTo`  | The `relationTo` to filter against (as defined on the field)                         |
-| `data`        | An object of the full collection or global document currently being edited           |
-| `siblingData` | An object of the document data limited to fields within the same parent to the field |
-| `id`          | The value of the collection `id`, will be `undefined` on create request              |
-| `user`        | The currently authenticated user object                                              |
+| Property      | Description                                                                                                  |
+|---------------|--------------------------------------------------------------------------------------------------------------|
+| `relationTo`  | The collection `slug` to filter against, limited to this field's `relationTo` property                       |
+| `data`        | An object containing the full collection or global document currently being edited                           |
+| `siblingData` | An object containing document data that is scoped to only fields within the same parent of this field        |
+| `id`          | The `id` of the current document being edited. `id` is `undefined` during the `create` operation             |
+| `user`        | An object containing the currently authenticated user                                                        |
 
-**Example:**
+### Example
 
 ```ts
 const uploadField = {
diff --git a/packages/payload/src/fields/config/types.ts b/packages/payload/src/fields/config/types.ts
index 72c91cb77..0e0b1653a 100644
--- a/packages/payload/src/fields/config/types.ts
+++ b/packages/payload/src/fields/config/types.ts
@@ -80,10 +80,25 @@ export type Condition<T extends TypeWithID = any, P = any> = (
 ) => boolean
 
 export type FilterOptionsProps<T = any> = {
+  /**
+   * An object containing the full collection or global document currently being edited.
+   */
   data: T
+  /**
+   * The `id` of the current document being edited. `id` is undefined during the `create` operation.
+   */
   id: number | string
+  /**
+   * The collection `slug` to filter against, limited to this field's `relationTo` property.
+   */
   relationTo: string
+  /**
+   * An object containing document data that is scoped to only fields within the same parent of this field.
+   */
   siblingData: unknown
+  /**
+   * An object containing the currently authenticated user.
+   */
   user: Partial<User>
 }