Doc values can no longer be updated
Closes
@@ -76,7 +76,6 @@ exceptions to this rule. For instance:
* new <<properties>> can be added to <<object>> fields.
* new <<multi-fields,multi-fields>> can be added to existing fields.
-* <<doc-values>> can be disabled, but not enabled.
* the <<ignore-above>> parameter can be updated.
For example:
