fix double space in openspeedtest description

fixes https://github.com/awesome-selfhosted/awesome-selfhosted/issues/3434

README.md

@@ -307,7 +307,7 @@ _See also: [Comparison of CalDAV and CardDAV implementations - Wikipedia](https:
 
 **[`^        back to top        ^`](#awesome-selfhosted)**
 
-[Communication software](https://en.wikipedia.org/wiki/Communication_software) used to provide remote access to systems and exchange files and messages in text, audio and/or video formats between different computers or users, using their own custom procols.
+[Communication software](https://en.wikipedia.org/wiki/Communication_software) used to provide remote access to systems and exchange files and messages in text, audio and/or video formats between different computers or users, using their own custom protocols.
 
 - [BluetoothCommunicatorExample](https://github.com/niedev/BluetoothCommunicatorExample) - Bluetooth LE chat app to communicate between android devices with P2P architecture. ([Clients](https://github.com/niedev/RTranslator)) `Apache-2.0` `Java`
 - [Centrifugo](https://centrifugal.dev/) - Language-agnostic real-time messaging (Websocket or SockJS) server. ([Demo](https://github.com/centrifugal/centrifugo#demo), [Source Code](https://github.com/centrifugal/centrifugo)) `MIT` `Go`