Fix ES|QL change_point docs (#129621)

Author: jan-elastic

docs/reference/esql/processing-commands/change_point.asciidoc

@@ -20,17 +20,17 @@ CHANGE_POINT value [ON key] [AS type_name, pvalue_name]
 
 *Parameters*
 
-`value`
-:   The column with the metric in which you want to detect a change point.
+`value`::
+The column with the metric in which you want to detect a change point.
 
-`key`
-:   The column with the key to order the values by. If not specified, `@timestamp` is used.
+`key`::
+The column with the key to order the values by. If not specified, `@timestamp` is used.
 
-`type_name`
-:   The name of the output column with the change point type. If not specified, `type` is used.
+`type_name`::
+The name of the output column with the change point type. If not specified, `type` is used.
 
-`pvalue_name`
-:   The name of the output column with the p-value that indicates how extreme the change point is. If not specified, `pvalue` is used.
+`pvalue_name`::
+The name of the output column with the p-value that indicates how extreme the change point is. If not specified, `pvalue` is used.
 
 [NOTE]
 ====