Re-phrase timeout parameter descriptions to make them clearer to DP u…

…sers.

Signed-off-by: Han Jiang <[email protected]>

data-prepper-plugins/opensearch/README.md

@@ -74,9 +74,9 @@ Default is null.
 
 - `insecure`: A boolean flag to turn off SSL certificate verification. If set to true, CA certificate verification will be turned off and insecure HTTP requests will be sent. Default to `false`.
 
-- `socket_timeout`(optional): An integer value indicates the timeout in milliseconds for waiting for data (or, put differently, a maximum period inactivity between two consecutive data packets). A timeout value of zero is interpreted as an infinite timeout. A negative value is interpreted as undefined (system default if applicable). Default: -1.
+- `socket_timeout`(optional): An integer value indicates the timeout in milliseconds for waiting for data (or, put differently, a maximum period inactivity between two consecutive data packets). A timeout value of zero is interpreted as an infinite timeout. If this timeout value is either negative or not set, the underlying Apache HttpClient would rely on operating system settings for managing socket timeouts.
 
-- `connect_timeout`(optional): An integer value indicates the timeout in milliseconds used when requesting a connection from the connection manager. A timeout value of zero is interpreted as an infinite timeout. A negative value is interpreted as undefined (system default if applicable). Default: -1.
+- `connect_timeout`(optional): An integer value indicates the timeout in milliseconds used when requesting a connection from the connection manager. A timeout value of zero is interpreted as an infinite timeout. If this timeout value is either negative or not set, the underlying Apache HttpClient would rely on operating system settings for managing connection timeouts.
 
 - `username`(optional): A String of username used in the [internal users](https://opendistro.github.io/for-elasticsearch-docs/docs/security/access-control/users-roles) of ODFE cluster. Default is null.