Updating increased argument support section

Author: amohammed-2

src/content/whats-new/2025/08/whats-new-8-15-high-precision-uniquecount.md

@@ -13,6 +13,6 @@ The `uniqueCount()` function returns the number of unique values recorded for on
 You can now supply a `precision` argument to `uniqueCount()` with a value in the range of 256 - 50,000 to increase the threshold for exact results up to 50,000! Higher precision values also proportionally reduce the standard error when returning an approximate result, with a `precision` of 50,000 having a standard error of 0.14%.
 
 ## Increased Argument Support Within UniqueCount
-The `uniqueCount()` function previously allowed a maximum of 20 arguments. You can now use the `uniqueCount()` function with up to 32 arguments!
+The `uniqueCount()` function accepts one or more arguments and returns the number of unique combinations of all the arguments provided. The `uniqueCount()` function previously allowed a maximum of 20 arguments. You can now use the `uniqueCount()` function with up to 32 arguments!
 
 Check out the [uniqueCount()](https://docs.newrelic.com/docs/nrql/nrql-syntax-clauses-functions/#func-uniqueCount) function documentation for more details.