Getting into Recovery mode for Nexus 5

1. Hold Power button + Volume DOWN button to boot into the Bootloader
2. Press any volume buttons until "Recovery" is shown and press the Power button. 
3. Phone will reboot and show an Android with the exclamation point appearing above the stomach shows with "No Command" below.
4. While holding the Power button, press once on the Volume UP button and it will go into Recovery mode.