Merge pull request tasmota#515 from pirx7/patch-1

Update Blinds-and-Shutters.md

Author: blakadder

docs/Blinds-and-Shutters.md

@@ -4,6 +4,7 @@
 !!! info "Control blinds and roller shades connected to regular ON/OFF motors or stepper motors"
 
 Your device must have at least two relays (see [Shutters with Sonoff Dual R2](#using-sonoff-dual-r2)). 
+Only available in normal tasmota.bin!
 
 ## Commands
 First enable shutter support with `SetOption80 1`