Update README.md

README.md

@@ -16,7 +16,7 @@ A simple macro that will return the value with the given singular or plural suff
 
 Arugment | Type | Default | Example | Description
 :-:|:-:|:-:|:-:|---
-value| string, int or float | - | `'sensor.value'` | The value to evaluate, will be converted to float
+value| string, int or float | - | `states('sensor.value')` | The value to evaluate, will be converted to float
 singular | string | - | `'day'` | The string to use for singular
 plural | string | - | `'days'` | The string to use for plurals & 0
 spacer| boolean | `True` | `True` | (Optional) Whether to add a spacer between the value and the singular/plural suffix