Update README.md

README.md

@@ -18,6 +18,8 @@ Parts required to make the flip-flop circuit are:
 - 2x 100 kOhm resistors
 - 2x BC547 transistors
 
+you can choose LEDs of any color.
+
 ### Assembly
 
 Fritzing files can be print by yourself or you can have the circuit board printed for you for a fee, for example by uploading the .fzz file to https://aisler.net/
@@ -38,8 +40,6 @@ Example values:
 - 10 kOhm x 10 μF = 0.1s
 - 100 kOhm x 1 μF = 0.1s
 
-you can choose LEDs of any color.
-
 J1, J2, J3 are optional. Use them to pick up the square waves and display them on a oscilloscope. J3 is ground.
 
 ### PD