fix typo (#104)

* fix typo

componentDidUpdate

* Update index.test.js

Author: afc163

src/useForm.ts

@@ -138,7 +138,7 @@ export class FormStore {
     if (process.env.NODE_ENV !== 'production' && !this.formHooked) {
       warning(
         false,
-        'Instance created by `useForm` is not connect to any Form element. Forget to pass `form` prop?',
+        'Instance created by `useForm` is not connected to any Form element. Forget to pass `form` prop?',
       );
     }
   };

tests/index.test.js

@@ -660,7 +660,7 @@ describe('Form.Basic', () => {
     mount(<Test />);
 
     expect(errorSpy).toHaveBeenCalledWith(
-      'Warning: Instance created by `useForm` is not connect to any Form element. Forget to pass `form` prop?',
+      'Warning: Instance created by `useForm` is not connected to any Form element. Forget to pass `form` prop?',
     );
     errorSpy.mockRestore();
   });