Fix typo

iOs -> iOS

README.md

@@ -915,7 +915,7 @@ See also <https://en.wikipedia.org/wiki/List_of_streaming_media_systems>, <https
 - [Anchr](https://anchr.io) - Anchr is a toolbox for tiny tasks on the internet, including bookmark collections, URL shortening and (encrypted) image uploads. ([Source Code](https://github.com/n1try/anchr)) `GPL-3.0` `Nodejs`
 - [Anuko](https://www.anuko.com/time_tracker/index.htm) - Anuko provides simple time and project tracking on a selfhosted basis. ([Demo](https://timetracker.anuko.com/), [Source Code](https://github.com/anuko/timetracker)) `Other` `PHP`
 - [asciiflow](http://asciiflow.com/) - Flow Diagram Drawing Tool. ([Source Code](https://github.com/lewish/asciiflow2)) `GPL-3.0` `Java/JavaScript`
-- [blynk](http://www.blynk.cc/) - Platform with iOs and Android apps to control Arduino, ESP8266, Raspberry Pi and similar microcontroller boards over the Internet. ([Source Code](https://github.com/blynkkk/blynk-server)) `AGPL-3.0` `Java`
+- [blynk](http://www.blynk.cc/) - Platform with iOS and Android apps to control Arduino, ESP8266, Raspberry Pi and similar microcontroller boards over the Internet. ([Source Code](https://github.com/blynkkk/blynk-server)) `AGPL-3.0` `Java`
 - [CUPS](https://www.cups.org/) - The Common Unix Print System uses Internet Printing Protocol (IPP) to support printing to local and network printers. ([Source Code](https://github.com/apple/cups)) `GPL-2.0` `C`
 - [DomainMOD](https://domainmod.org) - Application to manage your domains and other internet assets in a central location. DomainMOD includes a Data Warehouse framework that allows you to import your WHM/cPanel web server data so that you can view, export, and report on your data. ([Demo](https://demo.domainmod.org), [Source Code](https://github.com/domainmod/domainmod)) `GPL-3.0` `PHP`
 - [EasyBook Project](http://easybook-project.org/) - Book publishing as easy as it should be. ([Source Code](https://github.com/javiereguiluz/easybook)) `MIT` `PHP`