readme: add hint for selinux context

README.md

@@ -161,6 +161,12 @@ curl -o /etc/systemd/system/wg-netns@.service https://raw.githubusercontent.com/
 systemctl enable --now wg-netns@example.service
 ~~~
 
+If you are using SELinux, you have to change the SELinux context label, e.g. to `bin_t`, otherwise the service will not find the executable.
+
+~~~ bash
+chcon -t bin_t /root/.local/bin/wg-netns
+~~~
+
 ### Podman Integration
 
 A podman container can be easily attached to a network namespace created by `wg-netns`.