Update README.md

README.md

@@ -29,8 +29,8 @@ nrfjprog -f nrf52 --program feather52_bootloader_v050_s132_v201.hex
 nrfjprog -f nrf52 --run
 ```
 
-<img src='jlink/jlink-wiring.jpg' width=30%>
-<img src='jlink/flashing-bootloader.png' width=30%>
+<img src='jlink/jlink-wiring.jpg' width=22%>
+<img src='jlink/flashing-bootloader.png' width=64%>
 
 The J-Link requires a wire to ensure the target has power.  In the image above, red is target power (3.3V), black is ground, green is SWDCLK, and blue is SWDIO.