Fix typo

Author: osk2

blockly/msg/blocks/en.js

@@ -3,4 +3,4 @@ Blockly.Msg.WEBDUINO_LORA_SEND_STRING = "Send string";
 Blockly.Msg.WEBDUINO_LORA_SUCCESS_CALLBACK = "After successed, do";
 Blockly.Msg.WEBDUINO_LORA_FAIL_CALLBACK = "After failed, do";
 Blockly.Msg.WEBDUINO_LORA_RECEIVE_CALLBACK = "After receiving string, do";
-Blockly.Msg.WEBDUINO_LORA_RECEIVED_STRING = "Redeived string";
+Blockly.Msg.WEBDUINO_LORA_RECEIVED_STRING = "Received string";