Taking Screenshots when using Windows Remote Desktop

I keep forgetting this

CTRL+ALT+Minus (-) symbol on the numeric keypad Places a snapshot of the active window, within the client, on the Terminal server clipboard (provides the same functionality as pressing PrintScrn on a local computer.)
CTRL+ALT+Plus (+) symbol on the numeric keypad Places a snapshot of the entire client window area on the Terminal server clipboard (provides the same functionality as pressing ALT+PrintScrn on a local computer.)