fixup! Update changelog/1.16.3.md

Author: greyscaled

changelog/1.16.3.md

@@ -17,7 +17,7 @@ There are no bug fixes in 1.16.3.
 
 ### Security Updates 🔐
 
-- infra: Update environment network policies to remove egress restriction, which prevented
-  preventing users from specifying additional network policies pertaining to
-  environments.In earlier versions, additional user egress policies were
+- infra: Update environment network policies to remove egress restriction which
+  had prevented the specification of additional network policies pertaining to
+  environments. In prior versions, additional egress policies were
   disregarded due to the broad nature of the existing egress policy.