diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 000000000..e5ab7c726
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "plugins/zsh-syntax-highlighting"]
+path = plugins/zsh-syntax-highlighting
+url = git://github.com/zsh-users/zsh-syntax-highlighting.git
\ No newline at end of file
diff --git a/plugins/zsh-syntax-highlighting b/plugins/zsh-syntax-highlighting
new file mode 160000
index 000000000..e5d8a50d3
--- /dev/null
+++ b/plugins/zsh-syntax-highlighting
@@ -0,0 +1 @@
+Subproject commit e5d8a50d362a153a28506be6fae9cf179dbb5fd4
diff --git a/themes/ys.zsh-theme b/themes/ys.zsh-theme
index 3d316390e..6388be552 100644
--- a/themes/ys.zsh-theme
+++ b/themes/ys.zsh-theme
@@ -3,7 +3,7 @@
 # It is recommended to use with a dark background and the font Inconsolata.
 # Colors: black, red, green, yellow, *blue, magenta, cyan, and white.
 # 
-# http://ysmood.org/wp/2013/03/my-ys-terminal-theme/
+# http://blog.ysmood.org/2013/03/my-ys-terminal-theme/
 # Mar 2013 ys
 
 # Machine name.
diff --git a/tools/upgrade.sh b/tools/upgrade.sh
index 0aeebdebf..a039d32f0 100644
--- a/tools/upgrade.sh
+++ b/tools/upgrade.sh
@@ -1,5 +1,4 @@
 current_path=`pwd`
-current_path=${current_path/ /\\ }
 printf '\033[0;34m%s\033[0m\n' "Upgrading Oh My Zsh"
 cd "$ZSH"