Update README.md

README.md

@@ -65,8 +65,9 @@ I have heard reports of these modules getting very warm when in use although I h
 
 GPIO:
 io pins available for use are 13 and 12 (12 must not be high at boot)
-pin16 can be used but it has a 10k pullup resistor connected to it on this board for some reason so only good as an input
+pin16 can be used but I understand it has a 10k pullup resistor connected to it on this board for some reason so only good as an input
 You could also use 1 and 3 if you do not use Serial or 14,2&15 if not using SD Card
 Other possible pins you could solder directly to the esp32 module?    17, 9, 10, 11, 6, 7, 8
+More info: https://randomnerdtutorials.com/esp32-cam-ai-thinker-pinout/