Update README.md

Author: sasilva1998

README.md

@@ -10,14 +10,14 @@ cam = ov2640.ov2640(sclpin=22, sdapin=21, cspin=15, sckpin=14, mosipin=13, misop
 ~~~~
 
 ### I²C
-SCL -> GPIO22
-SDA -> GPIO21
+* SCL -> GPIO22
+* SDA -> GPIO21
 
 ### SPI
-CS -> GPIO15
-SCK -> GPIO14
-MOSI -> GPIO13
-MISO -> GPIO12
+* CS -> GPIO15
+* SCK -> GPIO14
+* MOSI -> GPIO13
+* MISO -> GPIO12
 
 
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