Added missing information to README

Author: ComputerNerd

README

@@ -1,11 +1,14 @@
 This is a version of code that sends data to the PC.
-Unlike previous code this requries no external ram or fifo.
-It just sends the data as it recevices it.
+Unlike previous code this requires no external ram or fifo.
+It just sends the data as it receives it.
 The transfer rate is 1 mbps or 128kbytes per second
 Connections
-Order arduino ov7670
+Order Arduino ov7670
 A5->SIOC
 A4<->SIOD
+Note what I have just described (above) are I2C connections you will need pullup resistors to 3.3v for both SIOC and SIOD.
+You must not connect the resistors to 5v.
+I have found that certain resistor values do not work such as 1K and 2.2K but found 4.7K and 10K to work.
 11-> (convert 5v to 3.3v) XCLK
 A0<-0
 A1<-1