Update readme.md

ilcato · web-flow · commit 28d1a5e2bb26 · 2019-11-25T17:50:53.000+01:00
diff --git a/readme.md b/readme.md
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 # node-red-contrib-arduino-cloud
 
 This module implements node-red nodes for interacting with [Arduino IoT Cloud](https://create.arduino.cc/iot).
-Multi Arduino Account are allowed.
+Multi Arduino Accounts are allowed.
 
 ## Installation
 + Install node-red-contrib-arduino-cloud:
