diff --git a/packages/components/src/form-token-field/stories/index.tsx b/packages/components/src/form-token-field/stories/index.tsx
index a93c8f206e39e..b9b7bd34fcb47 100644
--- a/packages/components/src/form-token-field/stories/index.tsx
+++ b/packages/components/src/form-token-field/stories/index.tsx
@@ -21,7 +21,7 @@ const meta: ComponentMeta< typeof FormTokenField > = {
 			control: { type: null },
 		},
 		__experimentalValidateInput: {
-			control: { type: 'boolean' },
+			control: { type: null },
 		},
 	},
 	parameters: {
@@ -43,7 +43,6 @@ const continents = [
 ];
 
 const DefaultTemplate: ComponentStory< typeof FormTokenField > = ( {
-	__experimentalValidateInput,
 	...args
 } ) => {
 	const [ selectedContinents, setSelectedContinents ] = useState<
@@ -55,11 +54,6 @@ const DefaultTemplate: ComponentStory< typeof FormTokenField > = ( {
 			{ ...args }
 			value={ selectedContinents }
 			onChange={ ( tokens ) => setSelectedContinents( tokens ) }
-			__experimentalValidateInput={
-				__experimentalValidateInput
-					? ( newValue ) => continents.includes( newValue )
-					: () => true
-			}
 		/>
 	);
 };
@@ -73,7 +67,6 @@ Default.args = {
 };
 
 export const Async: ComponentStory< typeof FormTokenField > = ( {
-	__experimentalValidateInput,
 	suggestions,
 	...args
 } ) => {
@@ -102,11 +95,6 @@ export const Async: ComponentStory< typeof FormTokenField > = ( {
 			suggestions={ availableContinents }
 			onChange={ ( tokens ) => setSelectedContinents( tokens ) }
 			onInputChange={ searchContinents }
-			__experimentalValidateInput={
-				__experimentalValidateInput
-					? ( newValue ) => continents.includes( newValue )
-					: () => true
-			}
 		/>
 	);
 };
diff --git a/packages/components/src/form-token-field/types.ts b/packages/components/src/form-token-field/types.ts
index d2ee330791d70..b2952fac935d9 100644
--- a/packages/components/src/form-token-field/types.ts
+++ b/packages/components/src/form-token-field/types.ts
@@ -76,7 +76,7 @@ export interface FormTokenFieldProps
 	 * - otherwise entities like `&` in tag names are double-encoded like `&amp;`,
 	 * once by the REST API and once by React).
 	 */
-	displayTransform?: ( suggestion: string ) => string;
+	displayTransform?: ( token: string ) => string;
 	/**
 	 * Function to call to transform tokens for saving. The default is to trim the token value.
 	 * This function is also applied when matching suggestions against the current value
@@ -84,6 +84,7 @@ export interface FormTokenFieldProps
 	 * this is needed to remove leading and trailing spaces from tag names, like wp-admin does.
 	 * Otherwise the REST API won't save them.)
 	 *
+	 * @default ( token: string ) => token.trim()
 	 */
 	saveTransform?: ( token: string ) => string;
 	/**
@@ -136,6 +137,8 @@ export interface FormTokenFieldProps
 	__experimentalExpandOnFocus?: boolean;
 	/**
 	 * If passed, all introduced values will be validated before being added as tokens.
+	 *
+	 * @default () => true
 	 */
 	__experimentalValidateInput?: ( token: string ) => boolean;
 	/**