Add 'lock' device class (home-assistant#4417)

swilson · balloob · commit 52387b95c664 · 2018-02-28T13:25:58.000-08:00
* Add monitored_conditions documentation. * Remove monitored_conditions from example * Add missing 'week' monitored_condition * Add 'lock' device class * Invert lock settings As per home-assistant/core#11640 * Tweak formatting
diff --git a/source/_components/binary_sensor.markdown b/source/_components/binary_sensor.markdown
@@ -22,6 +22,7 @@ The way these sensors are displayed in the frontend can be modified in the [cust
 - **gas**: `On` means gas detected, `Off` means no gas (clear)
 - **heat**: `On` means hot, `Off` means normal
 - **light**: `On` means light detected, `Off` means no light
+- **lock**: `On` means open (unlocked), `Off` means closed (locked)
 - **moisture**: `On` means moisture detected (wet), `Off` means no moisture (dry)
 - **motion**: `On` means motion detected, `Off` means no motion (clear)
 - **moving**: `On` means moving, `Off` means not moving (stopped)
