Updated Quick start (markdown)

Quick-start.md

@@ -48,7 +48,7 @@ Note that for some releases a *sdrangel-<run>-dev.tar.gz* archive is produ
 
 [![Install from the Snap Store](https://snapcraft.io/static/images/badges/en/snap-store-white.svg)](https://snapcraft.io/sdrangel)
 
-In order to use USB SDRs or record audio, permissions need to be granter either under Settings > Apps > SDRangel, vheck "Access USB hardware directly" and "Record Audio", or from a terminal, run:
+In order to use USB SDRs or record audio, permissions need to be granter either under Settings > Apps > SDRangel, check "Access USB hardware directly" and "Record Audio", or from a terminal, run:
 
     sudo snap connect sdrangel:raw-usb
     sudo snap connect sdrangel:audio-record