Fixed @emotion/css mention in the TS doc page

docs/typescript.mdx

@@ -47,10 +47,10 @@ import { jsx } from '@emotion/react'
 As a result you may be not able to use react fragment shorthand syntax - `<></>`, but still you can use `<Fragment></Fragment>`.
 This is a limitation of the TypeScript compiler not being able to independently specify jsx pragma and jsxFrag pragma.
 
-You can still use the css helper and pass the className yourself (ensure you are importing from the `@emotion` package, not `@emotion/react`).
+You can still use the css helper and pass the className yourself (ensure you are importing from the `@emotion/css` package, not `@emotion/react`).
 
 ```tsx
-import { css } from '@emotion'
+import { css } from '@emotion/css'
 
 <div className={css({ background: 'black' })} />
 ```