docs typo fix:  idle_state -> idle_start
@@ -725,7 +725,7 @@ Distributed by: (sale_id)
</row>
<row>
<entry colname="col1">
- <codeph>idle_state</codeph>
+ <codeph>idle_start</codeph>
</entry>
<entry colname="col2">timestamptz</entry>
<entry colname="col3"/>
