Changing peertube signup state

src/freedombone-app-peertube

            --yesno $"\nDo you wish to disable further PeerTube signups?" 8 75
     sel=$?
     case $sel in
-        0) sed "0,/RE/s/enabled:.*/enabled: false/" $PEERTUBE_DIR/config/production.yaml;;
-        1) sed "0,/RE/s/enabled:.*/enabled: true/" $PEERTUBE_DIR/config/production.yaml;;
+        0) sed -i "0,/enabled:.*/s//enabled: false/" $PEERTUBE_DIR/config/production.yaml;;
+        1) sed -i "0,/enabled:.*/s//enabled: true/" $PEERTUBE_DIR/config/production.yaml;;
         255) return;;
     esac