[ML][DOCS] Fix typo applied_to => applies_to

Author: dimitris-athanasiou

x-pack/docs/en/rest-api/ml/jobresource.asciidoc

@@ -467,7 +467,7 @@ A condition has the following properties:
     (string) Specifies the condition operator. The available options are
     `gt` (greater than), `gte` (greater than or equals), `lt` (less than) and `lte` (less than or equals).
 `value`:::
-    (double) The value that is compared against the `applied_to` field using the `operator`.
+    (double) The value that is compared against the `applies_to` field using the `operator`.
 --
 
 A rule is required to either have a non-empty scope or at least one condition.