Fix explanation of the useState example in 'Hooks API Reference' pa…

…ge (#1881)

content/docs/hooks-reference.md

@@ -67,7 +67,7 @@ function Counter({initialCount}) {
 }
 ```
 
-The "+" and "-" buttons use the functional form, because the updated value is based on the previous value. But the "Reset" button uses the normal form, because it always sets the count back to 0.
+The "+" and "-" buttons use the functional form, because the updated value is based on the previous value. But the "Reset" button uses the normal form, because it always sets the count back to the initial value.
 
 > Note
 >