Add description to the mysql.status.command fields.

CHANGELOG.asciidoc

@@ -134,7 +134,7 @@ https://github.com/elastic/beats/compare/v5.0.2...v5.1.1[View commits]
 - Add support for MongoDB 3.4 and WiredTiger metrics. {pull}2999[2999]
 - Add experimental kafka module with partition metricset. {pull}2969[2969]
 - Add raw config option for mysql/status metricset. {pull}3001[3001]
-- Add command fileds for mysql/status metricset. {pull}3251[3251]
+- Add command fields for mysql/status metricset. {pull}3251[3251]
 
 *Filebeat*
 

metricbeat/docs/fields.asciidoc

@@ -3575,27 +3575,31 @@ type: long
 
 type: long
 
+The number of DELETE queries since startup.
 
 
 [float]
 === mysql.status.command.insert
 
 type: long
 
+The number of INSERT queries since startup.
 
 
 [float]
 === mysql.status.command.select
 
 type: long
 
+The number of SELECT queries since startup.
 
 
 [float]
 === mysql.status.command.update
 
 type: long
 
+The number of UPDATE queries since startup.
 
 
 [[exported-fields-nginx]]

metricbeat/module/mysql/status/_meta/fields.yml

@@ -143,15 +143,19 @@
         - name: delete
           type: long
           description: >
+            The number of DELETE queries since startup.
 
         - name: insert
           type: long
           description: >
+            The number of INSERT queries since startup.
 
         - name: select
           type: long
           description: >
+            The number of SELECT queries since startup.
 
         - name: update
           type: long
-          description: >
+          description: >
+            The number of UPDATE queries since startup.