Updated rest-statistics-multiple.adoc

added a period at the end of line 65

Author: supritha-kumar

modules/rest-api/pages/rest-statistics-multiple.adoc

@@ -62,7 +62,7 @@ Each object takes the following form:
 
 The value of the key `label`, `label_name`, must be a string that specifies how the metric is identified: for example, `name`, or `proc`.
 The value of the key `value`, `label_val`, must be a string that is the actual name used to identify the metric: for example, `sys_cpu_utilization_rate`.
-The value of the key `"operator"` must be `=` | `!=` | `=~` | `!~` | `any` | `not_any`
+The value of the key `"operator"` must be `=` | `!=` | `=~` | `!~` | `any` | `not_any`.
 
 * `applyFunctions.`
 Can be any of the functions described in the section xref:rest-api:rest-statistics-single.adoc#function[function], on the page xref:rest-api:rest-statistics-single.adoc[Getting a Single Statistic].