Autoformat docs.

Change-Id: Ibc270de8cd6d8535e20847098175d8a00c67abe9
diff --git a/docs/GettingStarted.md b/docs/GettingStarted.md
index eae6a16..dba6365 100644
--- a/docs/GettingStarted.md
+++ b/docs/GettingStarted.md
@@ -2,18 +2,18 @@
 
 ## Getting the source code
 
-``` shell
+```shell
 git clone --recurse-submodules https://hafnium.googlesource.com/hafnium && (cd hafnium && f=`git rev-parse --git-dir`/hooks/commit-msg ; curl -Lo $f https://gerrit-review.googlesource.com/tools/hooks/commit-msg ; chmod +x $f)
 ```
 
 To upload a commit for review:
 
-``` shell
+```shell
 git push origin HEAD:refs/for/master
 ```
 
-Browse source at https://hafnium.googlesource.com/hafnium.
-Review CLs at https://hafnium-review.googlesource.com/.
+Browse source at https://hafnium.googlesource.com/hafnium. Review CLs at
+https://hafnium-review.googlesource.com/.
 
 See details of [how to contribute](../CONTRIBUTING.md).
 
@@ -21,7 +21,7 @@
 
 Install prerequisites:
 
-``` shell
+```shell
 sudo apt install make binutils-aarch64-linux-gnu aarch64-linux-gnu-gcc device-tree-compiler libssl-dev flex bison
 ```
 
@@ -31,7 +31,7 @@
 support to new platforms. The target project that is built is selected by the
 `PROJECT` make variable, the default project is 'reference'.
 
-``` shell
+```shell
 make PROJECT=<project_name>
 ```
 
@@ -43,7 +43,7 @@
 You will need at least version 2.9 for QEMU. The following command line can be
 used to run Hafnium on it:
 
-``` shell
+```shell
 qemu-system-aarch64 -M virt,gic_version=3 -cpu cortex-a57 -nographic -machine virtualization=true -kernel out/reference/qemu_aarch64_clang/hafnium.bin
 ```
 
@@ -54,7 +54,7 @@
 The following command line will run Hafnium, with the RAM disk just created,
 which will then boot into the primary Linux VM:
 
-``` shell
+```shell
 qemu-system-aarch64 -M virt,gic_version=3 -cpu cortex-a57 -nographic -machine virtualization=true -kernel out/reference/qemu_aarch64_clang/hafnium.bin -initrd initrd.img -append "rdinit=/sbin/init"
 ```
 
@@ -62,7 +62,7 @@
 
 After building, presubmit tests can be run with the following command line:
 
-``` shell
+```shell
 ./kokoro/ubuntu/test.sh
 ```