README: tweak Podman Desktop section

Co-authored-by: Charlie Drage <[email protected]>

README.md

@@ -12,8 +12,8 @@ virtual machine(s) or installer media you can use [qemu](https://www.qemu.org/).
 
 A very nice GUI extension for Podman Desktop is also
 [available](https://github.com/containers/podman-desktop-extension-bootc).
-When using this the commandline examples below are all handlded by
-podman desktop.
+The command line examples below can be all handled by
+Podman Desktop.
 
 On macOS, the podman machine must be running in rootful mode: