Update links to sumArray.md

Author: Blargian

docs/guides/examples/aggregate_function_combinators/sumArray.md

@@ -51,6 +51,6 @@ same result as `arraySum`.
 
 ## See also {#see-also}
 - [`sum`](/sql-reference/aggregate-functions/reference/sum)
-- [`arraySum`](/sql-reference/functions/array-functions#arraysum)
+- [`arraySum`](/sql-reference/functions/array-functions#arraySum)
 - [`Array combinator`](/sql-reference/aggregate-functions/combinators#-array)
 - [`sumMap`](/examples/aggregate-function-combinators/sumMap)