update description

Author: wanyang7

specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Pipeline.json

@@ -7983,7 +7983,7 @@
           "description": "Number of core and memory to be used for driver allocated in the specified Spark pool for the job, which will be used for overriding 'driverCores' and 'driverMemory' of the spark job definition you provide. Type: string (or Expression with resultType string)."
         },
         "numExecutors": {
-          "description": "Number of executors to launch for this job, which will override the 'numExecutors' of the spark job definition you provide.",
+          "description": "Number of executors to launch for this job, which will override the 'numExecutors' of the spark job definition you provide. Type: integer (or Expression with resultType integer).",
           "type": "object"
         },
         "configurationType": {

specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/Pipeline.json

@@ -7549,7 +7549,7 @@
           "description": "Number of core and memory to be used for driver allocated in the specified Spark pool for the job, which will be used for overriding 'driverCores' and 'driverMemory' of the spark job definition you provide. Type: string (or Expression with resultType string)."
         },
         "numExecutors": {
-          "description": "Number of executors to launch for this job, which will override the 'numExecutors' of the spark job definition you provide.",
+          "description": "Number of executors to launch for this job, which will override the 'numExecutors' of the spark job definition you provide. Type: integer (or Expression with resultType integer).",
           "type": "object"
         },
         "configurationType": {