diff --git a/README.adoc b/README.adoc
index eda3b47..a76f886 100644
--- a/README.adoc
+++ b/README.adoc
@@ -12822,7 +12822,9 @@ One "downside" of glibc is that it exercises much more kernel functionality on i
 This repo doesn't do much more other than setting a bunch of Buildroot configurations and building it, and the minimal work you have to do to get QEMU to boot Buildroot from scratch is tiny if you want to quickly test Buildroot specifics, for example:
 
 * x86_64 https://unix.stackexchange.com/questions/44062/how-to-use-qemu-to-run-build-root-linux-images/543075#543075
+** x86_64 X11 https://unix.stackexchange.com/questions/70931/how-to-install-x11-on-my-own-linux-buildroot-system/306116#306116 Also mentioned at: xref:x11[xrefstyle=full].
 * aarch64 https://stackoverflow.com/questions/47557262/how-to-download-the-torvalds-linux-kernel-master-recompile-it-and-boot-it-wi/49349237#49349237
+** aarch64 U-Boot: https://stackoverflow.com/questions/58028789/how-to-boot-linux-aarch64-with-u-boot-with-buildroot-on-qemu Also mentioned at: xref:u-boot[xrefsultye=full].
 * arm https://stackoverflow.com/questions/38320066/how-to-run-linux-on-a-qemu-arm-versatile-machine/44099299#44099299
 * PPC <https://stackoverflow.com/questions/48021127/build-powerpc-kernel-and-boot-powerpc-kernel-on-qemu/49349262#49349262> just work commands for PPC, comment on how to replace kernel