Apply suggestions from code review

Author: adamsitnik

xml/System.IO/Path.xml

@@ -2312,6 +2312,8 @@ The method does not verify that the path exists or test to see if the current pr
 
 In .NET 7 and later versions (or .NET 6 version 6.0.32 and later), OR if your operating system is Windows 10 or Windows Server build 20348 or later and you're using any .NET Framework version, when the process calling the method is running as `SYSTEM`, the method skips the preceding sequence and returns `C:\Windows\SystemTemp`. This location is inaccessible to processes not running as `SYSTEM`.
 
+On Full .NET Framework, this behavior can be opted out by setting `COMPlus_Disable_GetTempPath2` environment variable to `true` (all other values are ignored).
+
 # [Linux](#tab/linux)
 
 1.  The path specified by the TMPDIR environment variable.