changing type

Author: daphnemamsft

articles/governance/resource-graph/troubleshoot/alerts.md

@@ -30,7 +30,7 @@ The following are known unsupported operators and functions:
 | `rand()` | scalar function | |
 | `stdev()`, `stdevif()`, `stdevp()` | aggregation function | |
 | `variance()`, `varianceif()`, `variancep()` | aggregation function | |
-| `now()/ago()` | operator | where JobEndTime between(ago(15)..now()) |
+| `now()/ago()` | supported | where JobEndTime between(ago(15)..now()) |
 | Using keys with bag functions | scalar function | |
 
 For more information about operators and functions, go to [tabular operators](/azure/data-explorer/kusto/query/queries), [scalar functions](/azure/data-explorer/kusto/query/scalarfunctions), and [aggregation functions](/azure/data-explorer/kusto/query/aggregation-functions).