diff --git a/src/use-date-format/demo.tsx b/src/use-date-format/demo.tsx
index 79a73ca2..53923f5b 100644
--- a/src/use-date-format/demo.tsx
+++ b/src/use-date-format/demo.tsx
@@ -7,10 +7,7 @@ export function App() {
   const time = useDateFormat(now, 'HH:mm:ss • hh:mm:ss • H:m:s • h:m:s')
   const input = useControlledComponent("[Today is] M/D/YYYY, ddd, [now is] A H [o'clock] m [min] s [sec] SSS [ms]")
 
-  const playground = useDateFormat(now, input.value, {
-    locales: 'en-US',
-    customMeridiem: (hours: number) => (hours < 12 ? 'A.M.' : 'P.M.'),
-  })
+  const playground = useDateFormat(now, input.value, { locales: 'en-US' })
 
   return (
     <Card>
diff --git a/src/use-date-format/index.mdx b/src/use-date-format/index.mdx
index 1231c793..dcafc429 100644
--- a/src/use-date-format/index.mdx
+++ b/src/use-date-format/index.mdx
@@ -21,9 +21,9 @@ import source from '!!raw-loader!./demo'
 
 <RawCode>{source}</RawCode>
 
-## Formats
+## Format Tokens
 
-| Format | Output                   | Description                             |
+| Token | Output                   | Description                             |
 | ------ | ------------------------ | --------------------------------------- |
 | `Yo`   | 2018th                   | Ordinal formatted year                  |
 | `YY`   | 18                       | Two-digit year                          |
@@ -100,7 +100,7 @@ export type UseDateFormatOptions = FormatDateOptions & {
   /**
    * fallback string when date is invalid
    */
-  fallbackStr?: string
+  fallback?: string
 }
 ```