update time to indicate it's a field

astro/src/content/docs/operate/secure-and-monitor/splunk.mdx

@@ -415,7 +415,7 @@ fametric  |                                  Dload  Upload   Total   Spent    Le
 100   173  100     4  100   169      2    112  0:00:02  0:00:01  0:00:01   114
 ```
 
-On your Splunk web interface, browse to <strong>Metric Finder</strong>. Search for `login.success`. Click on the result and on the resulting chart, set the time to `-1d` and the chart type to column.
+On your Splunk web interface, browse to <strong>Metric Finder</strong>. Search for `login.success`. Click on the result and on the resulting chart, set the "Time" field to `-1d` and the chart type to column.
 
 If the metric has not uploaded correctly, you can debug the container by running in a new terminal: `docker exec -it fametric sh`.