Update link to software architecture document

Author: jacobkeeler

README.md

@@ -14,7 +14,7 @@ Pull Requests Welcome!
 
 ## Documentation
 
-  * [Software Architecture Document](https://smartdevicelink.com/en/guides/core/software-architecture-document/table-of-contents/)
+  * [Software Architecture Document](https://smartdevicelink.com/en/docs/sdl-core/master/software-architecture-document/table-of-contents/)
   * [Transport Manager Programming Guide](https://smartdevicelink.com/en/guides/core/transport-manager-programming/)
   * [Software Detailed Design](https://app.box.com/s/ohgrvemtx39f8hfea1ab676xxrzvyx1y)
   * [Integration Guidelines](https://smartdevicelink.com/en/docs/hmi/master/overview/)