Update xml/System/Environment.xml

Author: gewarren

xml/System/Environment.xml

@@ -1580,7 +1580,8 @@ The following example creates environment variables for the <xref:System.Environ
  The name of this computer is established at system startup when the name is read from the registry. If this computer is a node in a cluster, the name of the node is returned.
 
 ## Examples
- The following example displays the name of the computer that runs the code example. An example computer name has been given here, however you should never reveal your computers name for security reasons.
+
+The following example displays the name of the computer that runs the code example. For security reasons, a fictitious computer name is shown in the output.
 
  :::code language="cpp" source="~/snippets/cpp/VS_Snippets_CLR/Environment.MachineName/CPP/machinename.cpp" id="Snippet1":::
  :::code language="csharp" source="~/snippets/csharp/System/Environment/MachineName/machinename.cs" id="Snippet1":::