Update var-dax.md

Author: minghan

query-languages/dax/var-dax.md

@@ -83,6 +83,5 @@ By using a variable, you can get the same outcome, but in a more readable way. A
 
 ## Related content
 
-[Use variables to improve your DAX formulas](best-practices/dax-variables.md)
-
-[DAX queries](dax-queries.md)
+- [Use variables to improve your DAX formulas](best-practices/dax-variables.md)
+- [DAX queries](dax-queries.md)