Error: compiling for board generic esp8266, Arduino UNO

I am trying to connect a ESP8266-01 that I had for a while to my Arduino UNO r3. Using the ESP8266 is new to me. I used this site as a reference.

My connection as follows:

Arduino -> ESP8266
TX -> RX
RX -> TX
5V -> Resistor -> VCC, CH_PD
GND -> GND

I am trying to do a quick test to connect to the ESP8266

void setup() { // put your setup code here, to run once:
Serial2.begin(9600);
Serial.begin(115200);
}
void loop() { while(Serial2.available()) Serial.write(Serial2.read()); while(Serial.available()) Serial2.write(Serial.read());
}

I get this error:

Arduino: 1.6.9 (Windows 7), Board: "Generic ESP8266 Module, 80 MHz, 40MHz, DIO, 115200, 512K (64K SPIFFS), ck, Disabled, None"
C:Program Files (x86)Arduinoarduino-builder -dump-prefs -logger=machine -hardware "C:Program Files (x86)Arduinohardware" -hardware "C:UsersLappyAppDataLocalArduino15packages" -tools "C:Program Files (x86)Arduinotools-builder" -tools "C:Program Files (x86)Arduinohardwaretoolsavr" -tools "C:UsersLappyAppDataLocalArduino15packages" -built-in-libraries "C:Program Files (x86)Arduinolibraries" -libraries "C:UsersLappyDocumentsArduinolibraries" -fqbn=esp8266:esp8266:generic:CpuFrequency=80,FlashFreq=40,FlashMode=dio,UploadSpeed=115200,FlashSize=512K64,ResetMethod=ck,Debug=Disabled,DebugLevel=None____ -vid-pid=0X2341_0X0043 -ide-version=10609 -build-path "C:UsersLappyAppDataLocalTempbuild020cff5e75da0458cfe8ecc88a163002.tmp" -waings=none -prefs=build.wa_data_percentage=75 -verbose "C:UsersLappyBox SyncArduinowifi_door_openerwifi_door_opener.ino"
Board generic (platform esp8266, package esp8266) is unknown
Error compiling for board Generic ESP8266 Module.