Update servers description on Path Item Object (#3249)

- Explicitly state that Path Item servers override Root level servers

Co-authored-by: John Charman <[email protected]>

Author: charjr

versions/3.1.1.md

@@ -751,7 +751,7 @@ Field Name | Type | Description
 <a name="pathItemHead"></a>head | [Operation Object](#operationObject) | A definition of a HEAD operation on this path.
 <a name="pathItemPatch"></a>patch | [Operation Object](#operationObject) | A definition of a PATCH operation on this path.
 <a name="pathItemTrace"></a>trace | [Operation Object](#operationObject) | A definition of a TRACE operation on this path.
-<a name="pathItemServers"></a>servers | [[Server Object](#serverObject)] | An alternative `server` array to service all operations in this path.
+<a name="pathItemServers"></a>servers | [[Server Object](#serverObject)] | An alternative `server` array to service all operations in this path. If an alternative server object is specified at the Root level, it will be overridden by this value.
 <a name="pathItemParameters"></a>parameters | [[Parameter Object](#parameterObject) \| [Reference Object](#referenceObject)] | A list of parameters that are applicable for all the operations described under this path. These parameters can be overridden at the operation level, but cannot be removed there. The list MUST NOT include duplicated parameters. A unique parameter is defined by a combination of a [name](#parameterName) and [location](#parameterIn). The list can use the [Reference Object](#referenceObject) to link to parameters that are defined at the [OpenAPI Object's components/parameters](#componentsParameters).