Update README.md

README.md

@@ -8,8 +8,6 @@ Casex is a function that applies a case style given a pattern.
 
 Instead of having a specific function for each case style, I provide a self-expressive pattern that represent the desired output. For example, kebab-case can be represented as `ca-se` and title case as `Ca Se`.
 
-[Demo](https://codesandbox.io/s/8y83k797v0)
-
 ## Install
 
 ```sh
@@ -44,7 +42,7 @@ Let's take for example `i_am the-real JohnDoe`:
 The default will likely work for most of your cases, but if you wish, you can provide custom delimiters:
 
 ```js
-casex('foo.bar,baz', 'Ca Se', '.,'); // Foo Bar Baz
+casex({ text: 'foo.bar,baz', pattern: 'Ca Se', '.,' }); // Foo Bar Baz
 ```
 
 _Note: The default delimiters are: `A-Z\\s_-`.
@@ -59,9 +57,7 @@ Let's take for example `Ca_se`:
 * `s`: first letter of the second and subsequent words
 * `e`: second and subsequent letters of the second and subsequent words
 
-Confusing? Check out the [demo](https://codesandbox.io/s/8y83k797v0) and/or examples below. I'm sure you'll get the hang of it :)
-
-_Note: You could use any other letters to describe, such as `aa$aa` or `na_me`. What matters is that it takes the first two and last two letters for checking capitalization and whatever is in the middle is "glue"._
+_Note: You can use any other letters to describe, such as `aa$aa` or `na_me`. What matters is that it takes the first two and last two letters for checking capitalization and whatever is in the middle is "glue"._
 
 #### 2.1 Special transformations