fix funky wunky troubleshooting links (#2528)

* Update nand-backup.md

* Update sysupdate.md

Author: shinobijolteon

docs/_include/nand-backup.md

@@ -5,7 +5,7 @@
 1. Select "SysNAND Backup"
 1. Press (A) to confirm
     + This process will take some time
-    + If you get an error, look for your issue in the [troubleshooting guide](troubleshooting#finalizing-setup)
+    + If you get an error, look for your issue in the [troubleshooting guide](troubleshooting-finalizing-setup.html)
 1. Press (A) to continue
 1. Press (B) to return to the main menu
 1. Select "Exit"

docs/_include/sysupdate.md

@@ -2,4 +2,4 @@
     + Updates while using B9S + Luma (what you have) are safe
     + The updater may display a message saying "Your system is up to date" instead of updating. This is normal if you are already up to date; continue to the next section
     + If this gives you an error, set your DNS settings to "Auto" and your Proxy settings to "No"
-    + If this still gives you an error, [follow this troubleshooting guide](troubleshooting#finalizing-setup)
+    + If this still gives you an error, [follow this troubleshooting guide](troubleshooting-finalizing-setup.html)