Small fixes

Hoping to pass CircleCI this time

plugins/inputs/webhooks/particle/README.md

 # particle webhooks
 
-You should configure your Particle.io's Webhooks to point at the `webhooks` service. To do this go to `console.particle.io/` and click `Integrations > New Integration > Webhook`. In the resulting page set `URL` to `http://<my_ip>:1619/particle`, and  under `Advanced Settings` click on `JSON` and add:
+You should configure your Particle.io's Webhooks to point at the `webhooks` service. To do this go to `(https://console.particle.io/)[https://console.particle.io]` and click `Integrations > New Integration > Webhook`. In the resulting page set `URL` to `http://<my_ip>:1619/particle`, and  under `Advanced Settings` click on `JSON` and add:
 
 ```
 {
-    "influx_db": "your_database_name"
+    "influx_db": "your_measurement_name"
 }
 ```
 

plugins/inputs/webhooks/particle/particle_webhooks_test.go

@@ -74,7 +74,7 @@ func NewItemJSON() string {
 			  "altitude": 119.331436,
 			  "broadband": 1266,
 			  "infrared": 528,
-			  "lux": 0
+			  "lux": 0.0
 		  }
 	  },
 	  "ttl": 60,