Make some small tweaks to the build instructions.

docs/linux_fedora_build_instructions.md

Index: docs/linux_fedora_build_instructions.md
diff --git a/docs/linux_fedora_build_instructions.md b/docs/linux_fedora_build_instructions.md
index f1f4f7cd7bba54e5c2438482bdf74016374b3dfd..75c126127dfcbdac0138cb211dbcf96a0a7f522f 100644
--- a/docs/linux_fedora_build_instructions.md
+++ b/docs/linux_fedora_build_instructions.md
@@ -6,20 +6,22 @@ However, do the following instead to install the build dependenies:
 Generally, follow the main [Linux Build instructions], but instead of
 running `build/install-build-deps.sh`, run:
 
-    su -c 'yum install git python bzip2 tar pkgconfig atk-devel alsa-lib-devel \
-    bison binutils brlapi-devel bluez-libs-devel bzip2-devel cairo-devel \
-    cups-devel dbus-devel dbus-glib-devel expat-devel fontconfig-devel \
-    freetype-devel gcc-c++ GConf2-devel glib2-devel glibc.i686 gperf \
-    glib2-devel gtk2-devel gtk3-devel java-1.*.0-openjdk-devel libatomic \
-    libcap-devel libffi-devel libgcc.i686 libgnome-keyring-devel libjpeg-devel \
-    libstdc++.i686 libX11-devel libXScrnSaver-devel libXtst-devel \
-    libxkbcommon-x11-devel ncurses-compat-libs nspr-devel nss-devel pam-devel \
-    pango-devel pciutils-devel pulseaudio-libs-devel zlib.i686 httpd mod_ssl \
-    php php-cli python-psutil wdiff'
+```shell
+su -c 'yum install git python bzip2 tar pkgconfig atk-devel alsa-lib-devel \
+bison binutils brlapi-devel bluez-libs-devel bzip2-devel cairo-devel \
+cups-devel dbus-devel dbus-glib-devel expat-devel fontconfig-devel \
+freetype-devel gcc-c++ GConf2-devel glib2-devel glibc.i686 gperf \
+glib2-devel gtk2-devel gtk3-devel java-1.*.0-openjdk-devel libatomic \
+libcap-devel libffi-devel libgcc.i686 libgnome-keyring-devel libjpeg-devel \
+libstdc++.i686 libX11-devel libXScrnSaver-devel libXtst-devel \
+libxkbcommon-x11-devel ncurses-compat-libs nspr-devel nss-devel pam-devel \
+pango-devel pciutils-devel pulseaudio-libs-devel zlib.i686 httpd mod_ssl \
+php php-cli python-psutil wdiff'
+```
 
-The msttcorefonts packages can be obtained by following the instructions
-present [here](http://www.fedorafaq.org/#installfonts). For the optional
+The `msttcorefonts` packages can be obtained by following [these
+instructions](http://www.fedorafaq.org/#installfonts). For the optional
 packages:
 
-*   php-cgi is provided by the php-cli package
-*   sun-java6-fonts doesn't exist in Fedora repositories, needs investigating
+* `php-cgi` is provided by the `php-cli` package.
+* `sun-java6-fonts` doesn't exist in Fedora repositories, needs investigating.