fix typo in MyCheckbox description (#3723)

docs/tutorial.md

@@ -831,7 +831,7 @@ const MyTextInput = ({ label, ...props }) => {
 };
 
 const MyCheckbox = ({ children, ...props }) => {
-  // React treats radios and checkbox inputs differently other input types, select, and textarea.
+  // React treats radios and checkbox inputs differently from other input types: select and textarea.
   // Formik does this too! When you specify `type` to useField(), it will
   // return the correct bag of props for you -- a `checked` prop will be included
   // in `field` alongside `name`, `value`, `onChange`, and `onBlur`