Update 2._Scope.md

Updated the broken link URL for the new location of the ISO How To Write Standards Guide.

Author: mkdolan

2._Scope.md

@@ -1,5 +1,5 @@
 # Scope
 
-[Include a detailed description of this Working Group’s Scope.  This Scope is important is it establishes the bounds of each contributor's and licensee's patent commitment. For guidance on drafting an appropriate Scope, you may find [ISO's guidance (see page 5)](https://www.iso.org/files/live/sites/isoorg/files/archive/pdf/en/how-to-write-standards.pdf "ISO How To Write Standards Guide") helpful.]
+[Include a detailed description of this Working Group’s Scope.  This Scope is important is it establishes the bounds of each contributor's and licensee's patent commitment. For guidance on drafting an appropriate Scope, you may find [ISO's guidance (see page 5)](https://www.iso.org/files/live/sites/isoorg/files/developing_standards/docs/en/how-to-write-standards.pdf "ISO How To Write Standards Guide") helpful.]
 
 Any changes of Scope are not retroactive.