✏️ typo (esp-rs#127)

* ✏️ typo

* Fix format

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Co-authored-by: Sergio Gasquez Arcos <sergio.gasquez@gmail.com>

src/installation/std-requirements.md

@@ -11,7 +11,7 @@ Regardless of the target architecture, make sure you have the following required
 
 The `std` runtime uses [ESP-IDF][esp-idf-github] (Espressif IoT Development Framework) as hosted environment but, users don't need to install it. ESP-IDF is automatically downloaded and installed by [esp-idf-sys][esp-idf-sys-github], a crate that all `std` projects need to use, when building a `std` application. 
 
-For Linux/MacOS users its requiret is to have the [ESP-IDF prerequisites][esp-idf-install-guide] installed.
+For Linux/MacOS users it's required to have the [ESP-IDF prerequisites][esp-idf-install-guide] installed.
 
 [rust-esp-book-overview-std]: ../overview/using-the-standard-library.md
 [python-website-download]: https://www.python.org/downloads/