Fix missing hyphen (home-assistant#1231)

John Lindley · fabaff · commit ab79ec28bc8b · 2016-10-13T15:40:37.000+02:00
diff --git a/source/_components/binary_sensor.nest.markdown b/source/_components/binary_sensor.nest.markdown
@@ -27,7 +27,7 @@ binary_sensor:
     monitored_conditions:
       - 'fan'
       - 'hvac_ac_state'
-       'hvac_heater_state'
+      - 'hvac_heater_state'
       - 'hvac_aux_heater_state'
       - 'hvac_heat_x2_state'
       - 'hvac_heat_x3_state'
