Update install.mdx (#79)

material-react-table-docs/pages/docs/getting-started/install.mdx

@@ -11,7 +11,7 @@ import Head from 'next/head';
 >
 > If you are already using Material UI, you probably already have most of these peer dependencies installed.
 >
-> Just double check that you have the following in your package.json, or just use the [full install commands](<#install-with-required-peer-dependencies-(recommended)>) below.
+> Just double-check that you have the following in your package.json, or use the [full install commands](<#install-with-required-peer-dependencies-(recommended)>) below.
 >
 > 1.  @mui/material (v5)
 > 2.  @mui/icons-material (v5)
@@ -58,6 +58,6 @@ Yarn
 yarn add material-react-table @mui/material @mui/icons-material @emotion/react @emotion/styled
 ```
 
-> No need to install `@tanstack/react-table`, as `@tanstack/react-table` (React Table V8) is already an internal dependency of `material-react-table`.
+> You do not need to install `@tanstack/react-table`, as `@tanstack/react-table` (React Table V8) is already an internal dependency of `material-react-table`.
 >
 > All internal dependencies: `@tanstack/match-sorter-utils`, `@tanstack/react-table`, `react-virtual`