spelling correct

Author: OptifySudarshanPatil

src/Ethernet.h

@@ -227,7 +227,7 @@ class EthernetClient : public Client
 		// possible implemented return values of return are only 0 (error) or 1 (ok).
 		if (!connect(ip, port))
 		{
-			// indiciate error
+			// indicate error
 			return 0;
 		}
 		setConnectionTimeout(timeout);