Update TOC.yml

Author: siosulli

defender-endpoint/TOC.yml

@@ -348,10 +348,10 @@
               href: machine-tags.md
         - name: Rules and Exclusions
           items:
-              - name: Exclustions overview
-                href: navigate-defender-endpoint-antivirus-exclusions.md
-              - name: Using submissions, supressions and exclusions
-                href: submissions-supressions-exclustions.md
+          - name: Exclustions overview
+            href: navigate-defender-endpoint-antivirus-exclusions.md
+          - name: Using submissions, supressions and exclusions
+            href: submissions-supressions-exclustions.md
           - name: Manage suppression rules
             href: manage-suppression-rules.md
           - name: Create indicators