Update README.md (#111)

These docs are massive loL I didn't read through all of them but I found some things to update

Author: wswoodruff

README.md

@@ -183,7 +183,7 @@ export default function RentCarForm() {
 
 ### Advanced Input Options
 
-`useFormState` provides a quick and simple API to get started with building a from and managing its state. It also supports [HTML5 form validation](https://developer.mozilla.org/en-US/docs/Learn/HTML/Forms/Form_validation) out of the box.
+`useFormState` provides a quick and simple API to get started with building a form and managing its state. It also supports [HTML5 form validation](https://developer.mozilla.org/en-US/docs/Learn/HTML/Forms/Form_validation) out of the box.
 
 ```jsx
 <input {...password('password')} required minLength="8" />
@@ -255,7 +255,7 @@ If the input's value is invalid based on the rules specified above, the form sta
 }
 ```
 
-If the `validate()` method is not specified, `useFormState` will fallback to the HTML5 constrains validation to determine the validity of the input along with the appropriate error message.
+If the `validate()` method is not specified, `useFormState` will fallback to the HTML5 constraints validation to determine the validity of the input along with the appropriate error message.
 
 ### Without Using a `<form />` Element