Adjust names to match branding guidelines

Author: craig-johnston

README.md

@@ -1,5 +1,5 @@
 # Deprecated
-This SDK is no longer being developed. If you would like to use a Flutter SDK with Optiview Realtime (Millicast) please (contact Optiview Sales)[https://optiview.dolby.com/contact/].
+This SDK is no longer being developed. If you would like to use a Flutter SDK with OptiView Real-Time (Millicast) please (contact OptiView Sales)[https://optiview.dolby.com/contact/].
 If you are an existing customer using this SDK, please contact us via our support channels for ongoing support and migration options.
 
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