Fix Acrolinx acronyms

Author: seesharprun

articles/cosmos-db/nosql/query/TOC.yml

@@ -126,7 +126,7 @@
           href: setunion.md
     - name: Conditional functions
       items:
-        - name: Ternary conditional operator
+        - name: Ternary conditional
           displayName: IIF, ternary, ternary conditional operator
           href: iif.md
     - name: Date and time functions

articles/cosmos-db/nosql/query/system-functions.yml

@@ -45,7 +45,7 @@ landingContent:
     linkLists:
       - linkListType: reference
         links:
-          - text: IIF
+          - text: Ternary conditional
             url: iif.md
   - title: Date and time functions
     linkLists: