Update README.md

Author: jenworthington

README.md

@@ -4,7 +4,7 @@ Splunk Connect for Docker is a plug-in that extends and expands Docker's logging
 
 Splunk Connect for Docker is a supported open source product. Customers with an active Splunk support contract receive Splunk Extension support under the Splunk Support Policy, which can be found at https://www.splunk.com/en_us/legal/splunk-software-support-policy.html. 
 
-Splunk Connect for Docker is not currently supported on Windows. See the Prerequisites in this document for more information about system requirements. See the Docker Engine Managed Plugin system documentation for information about Docker support for Microsoft Windows and other platforms.
+See the Docker Engine managed plugin system documentation at https://docs.docker.com/engine/extend/ on support for Microsoft Windows and other platforms. See the Prerequisites in this document for more information about system requirements. 
 
 # Prerequisites
 Before you install Splunk Connect for Docker, make sure your system meets the following minimum prerequisites:
@@ -155,6 +155,7 @@ env-regex | A regular expression to match logging-related environment variables.
 
 ### Advanced options - Environment Variables
 
+
 Variable | Description | Default
 ------------ | ------------- | -------------
 SPLUNK_LOGGING_DRIVER_POST_MESSAGES_FREQUENCY | How often plug-in posts messages when there is nothing to batch, i.e., the maximum time to wait for more messages to batch. The internal buffer used for batching is flushed either when the buffer is full (the disgnated batch size is reached) or the buffer timesout (specified by this frequency) | | 5s