Fix incorrect option name in amqp sample configuration

plugins/inputs/amqp_consumer/README.md

@@ -41,8 +41,8 @@ The following defaults are known to work with RabbitMQ:
   # exchange_durability = "durable"
 
   ## Additional exchange arguments.
-  # exchange_args = { }
-  # exchange_args = {"hash_propery" = "timestamp"}
+  # exchange_arguments = { }
+  # exchange_arguments = {"hash_propery" = "timestamp"}
 
   ## AMQP queue name
   queue = "telegraf"

plugins/inputs/amqp_consumer/amqp_consumer.go

@@ -95,8 +95,8 @@ func (a *AMQPConsumer) SampleConfig() string {
   # exchange_durability = "durable"
 
   ## Additional exchange arguments.
-  # exchange_args = { }
-  # exchange_args = {"hash_propery" = "timestamp"}
+  # exchange_arguments = { }
+  # exchange_arguments = {"hash_propery" = "timestamp"}
 
   ## AMQP queue name
   queue = "telegraf"

plugins/outputs/amqp/README.md

@@ -39,8 +39,8 @@ For an introduction to AMQP see:
   # exchange_durable = true
 
   ## Additional exchange arguments.
-  # exchange_args = { }
-  # exchange_args = {"hash_propery" = "timestamp"}
+  # exchange_arguments = { }
+  # exchange_arguments = {"hash_propery" = "timestamp"}
 
   ## Authentication credentials for the PLAIN auth_method.
   # username = ""

plugins/outputs/amqp/amqp.go

@@ -97,8 +97,8 @@ var sampleConfig = `
   # exchange_durable = true
 
   ## Additional exchange arguments.
-  # exchange_args = { }
-  # exchange_args = {"hash_propery" = "timestamp"}
+  # exchange_arguments = { }
+  # exchange_arguments = {"hash_propery" = "timestamp"}
 
   ## Authentication credentials for the PLAIN auth_method.
   # username = ""