[docs] Fix typo in server requirements (#3681)

docs/en/admins/02_Prerequisites.md

@@ -8,7 +8,7 @@ You need to verify that your server can run FreshRSS before installing it. If yo
 | ------------- | ----------------------- | ----------------------- |
 | Web server    | **Apache 2**            | Nginx, lighttpd         |
 | PHP           | **PHP 7+**              |                         |
-| PHP modules   | Required: libxml, cURL, JSON, PDO\_MySQL, PCRE and ctype. <br>Required (32-bit only): GMP <br> Recommanded: Zlib, mbstring, iconv, ZipArchive <br> *For the whole modules list see [Dockerfile](https://github.com/FreshRSS/FreshRSS/blob/edge/Docker/Dockerfile-Alpine#L7-L9)* | |
+| PHP modules   | Required: libxml, cURL, JSON, PDO\_MySQL, PCRE and ctype. <br>Required (32-bit only): GMP <br> Recommended: Zlib, mbstring, iconv, ZipArchive <br> *For the whole modules list see [Dockerfile](https://github.com/FreshRSS/FreshRSS/blob/edge/Docker/Dockerfile-Alpine#L7-L9)* | |
 | Database      | **MySQL 5.5.3+**        | SQLite 3.7.4+, PostgreSQL 9.5+          |
 | Browser       | **Firefox**             | Chrome, Opera, Safari, or Edge          |