diff --git a/README.md b/README.md
index 5adca2c..9da8061 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
-# jsix: A toy OS kernel
+# jsix: A hobby operating system
 
-**jsix** is the kernel for the hobby OS that I am currently building. It's
-far from finished, or even being usable. Instead, it's a sandbox for me to play
+**jsix** is the hobby operating system that I am currently building. It's far
+from finished, or even being usable. Instead, it's a sandbox for me to play
 with kernel-level code and explore architectures.
 
 The design goals of the project are:
@@ -9,7 +9,8 @@ The design goals of the project are:
 * Modernity - I'm not interested in designing for legacy systems, or running on
   all hardware out there. My target is only 64 bit architecutres, and modern
   commodity hardware. Currently that means x64 systems with Nehalem or newer
-  CPUs and UEFI firmware. Eventually I'd like to work on an AArch64 port,
+  CPUs and UEFI firmware. (See [this list][cpu_features] for the currently
+  required CPU features.) Eventually I'd like to work on an AArch64 port,
   partly to force myself to factor out the architecture-dependent pieces of the
   code base.
 
@@ -17,8 +18,7 @@ The design goals of the project are:
   processes as possible, in the microkernel fashion. A sub-goal of this is to
   explore where the bottlenecks of such a microkernel are now, and whether
   eschewing legacy hardware will let me design a system that's less bogged down
-  by the traditional microkernel problems. Given that there are no processes
-  yet, the kernel is monolithic by default.
+  by the traditional microkernel problems.
 
 * Exploration - I'm really mostly doing this to have fun learning and exploring
   modern OS development. Modular design may be tossed out (hopefully
@@ -31,6 +31,8 @@ name, started around the same time as this project. So I've renamed this kernel
 jsix (Always styled _jsix_ or `j6`, never capitalized) as an homage to L4, xv6,
 and my wonderful wife.
 
+[cpu_features]: https://github.com/justinian/jsix/blob/master/src/libraries/cpu/include/cpu/features.inc
+
 ## Building
 
 jsix uses the [Ninja][] build tool, and generates the build files for it with a
@@ -38,7 +40,7 @@ custom tool called [Bonnibel][]. Bonnibel can be installed with [Cargo][], or
 downloaded as a prebuilt binary from its Github repository.
 
 [Ninja]:    https://ninja-build.org
-[Bonnibel]: https://github.com/justinian/bonnibel
+[Bonnibel]: https://github.com/justinian/bonnibel_rs
 [Cargo]:    https://crates.io/crates/bonnibel
 
 Requrirements:
@@ -71,8 +73,8 @@ I personally run this either from a real debian amd64 testing/buster machine or
 a windows WSL debian testing/buster installation. The following should be
 enough to set up such a system to build the kernel:
 
-    sudo apt install qemu-system-x86 nasm clang-6.0 mtools curl
-    sudo update-alternatives /usr/bin/clang clang /usr/bin/clang-6.0 1000
-    sudo update-alternatives /usr/bin/clang++ clang++ /usr/bin/clang++-6.0 1000
-	curl -L -o pb https://github.com/justinian/bonnibel/releases/download/2.0.0/pb_linux_amd64 && chmod a+x pb
+    sudo apt install qemu-system-x86 nasm clang-10 mtools curl ninja-build
+    sudo update-alternatives /usr/bin/clang clang /usr/bin/clang-10 1000
+    sudo update-alternatives /usr/bin/clang++ clang++ /usr/bin/clang++-10 1000
+	curl -L -o pb https://github.com/justinian/bonnibel_rs/releases/download/v2.3.0/pb-linux-amd64 && chmod a+x pb