docs: fix typo in DatePicker prop description (#30484)

components/date-picker/index.en-US.md

@@ -69,7 +69,7 @@ The following APIs are shared by DatePicker, RangePicker.
 | picker | Set picker type | `date` \| `week` \| `month` \| `quarter` \| `year` | `date` | `quarter`: 4.1.0 |
 | placeholder | The placeholder of date input | string \| \[string,string] | - |  |
 | popupStyle | To customize the style of the popup calendar | CSSProperties | {} |  |
-| size | The determine the size of the input box, the height of `large` and `small`, are 40px and 24px respectively, while default size is 32px | `large` \| `middle` \| `small` | - |  |
+| size | To determine the size of the input box, the height of `large` and `small`, are 40px and 24px respectively, while default size is 32px | `large` \| `middle` \| `small` | - |  |
 | style | To customize the style of the input box | CSSProperties | {} |  |
 | suffixIcon | The custom suffix icon | ReactNode | - |  |
 | onOpenChange | Callback function, can be executed whether the popup calendar is popped up or closed | function(open) | - |  |