Update proximity.markdown (home-assistant#7923)

I added different values that were available for 'unit_of_measurement'. This information was missing from the help page.
sorinyo2004 · Dec 27, 2018 · 5dfb402 · 5dfb402
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commit 5dfb402
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/source/_components/proximity.markdown b/source/_components/proximity.markdown
@@ -33,6 +33,11 @@ The Proximity entity which is created has the following values:
   - 'unknown'
   - 'stationary'
 - `dist_to_zone`: Distance from the monitored zone (in km)
+- `unit_of_measurement`: Measurement of distance. Values are:
+  - 'km'
+  - 'm'
+  - 'mi'
+  - 'ft'
 
 To enable this component in your installation, add the following to your `configuration.yaml` file: