Better item spacings

README.md

@@ -15,12 +15,10 @@ To the best of our knowledge, this is the first open-source DRAM PUF for a Raspb
 5. When it's fully booted, configure it with the automatically started wizard.
 6. When the wizard asks you to restart, then restart it. Also, make sure to have configured an internet connection by now.
 7. Run the following commands:
-
     ```shell
     sudo apt update && sudo apt full-upgrade -y
     sudo apt install minicom -y
     ```
-
 8. Retrieve the SerialReader as described in the section below.
 9. The Receiver should be set up now. Type `./SerialReader -h` for help.
 
@@ -218,6 +216,7 @@ Further research on the PUF itself has been made in several works over the years
 # Credits
 
 - `covert-channel-code/rpi-open-firmware-master/` is based on Kristina Brooks's [rpi-open-firmware](https://github.com/christinaa/rpi-open-firmware), patched with Shuai Chen's, Wenjie Xiong's, Yehan Xu's, Bing Li's, and Jakub Szefer's [patches](https://caslab.csl.yale.edu/code/popchannels/) from their paper ["Thermal Covert Channels Leveraging Package-On-Package DRAM"](https://doi.org/10.1109/TrustCom/BigDataSE.2019.00050). Some modifications to the source were inspired by [Michael Bishop](https://github.com/cleverca22)'s [librerpi/rpi-open-firmware](https://github.com/librerpi/rpi-open-firmware) fork
+
 - `covert-channel-code/kernel/` is based on Shuai Chen's, Wenjie Xiong's, Yehan Xu's, Bing Li's, and Jakub Szefer's [kernel image](https://caslab.csl.yale.edu/code/popchannels/) from their paper ["Thermal Covert Channels Leveraging Package-On-Package DRAM"](https://doi.org/10.1109/TrustCom/BigDataSE.2019.00050)
 - `covert-channel-code/CC_DRAMPUF.patch` is taken directly from Shuai Chen's, Wenjie Xiong's, Yehan Xu's, Bing Li's, and Jakub Szefer's [code](https://caslab.csl.yale.edu/code/popchannels/) from their paper ["Thermal Covert Channels Leveraging Package-On-Package DRAM"](https://doi.org/10.1109/TrustCom/BigDataSE.2019.00050)
 - `docker/Dockerfile` contains a section which has been modified from [rocstreaming/toolchain-arm-linux-gnueabihf:gcc-4.9](https://github.com/roc-streaming/dockerfiles/blob/main/images/toolchain-arm-linux-gnueabihf/linaro.org/Dockerfile) by [roc-streaming](https://github.com/roc-streaming); image files published under [Docker Hub](https://hub.docker.com/r/rocstreaming/toolchain-arm-linux-gnueabihf)