[DOCS] Fixes typo in ML aggregations page
@@ -105,8 +105,8 @@ For all other aggregations, if the aggregation name doesn't match the field name
there are limitations in the drill-down functionality within the {ml} page in
{kib}.
-{dfeeds} support complex nested aggregations, this example uses the `derivative`
-pipeline aggregation to find the 1st order derivative of the counter
+{dfeeds-cap} support complex nested aggregations, this example uses the `derivative`
+pipeline aggregation to find the first order derivative of the counter
`system.network.out.bytes` for each value of the field `beat.name`.
[source,js]
