diff --git a/.vim/ftdetect/markdown.vim b/.vim/ftdetect/markdown.vim
index a2aa82a..af041c2 100644
--- a/.vim/ftdetect/markdown.vim
+++ b/.vim/ftdetect/markdown.vim
@@ -3,4 +3,4 @@ augroup filetypedetect
     autocmd BufNew,BufNewFile,BufRead *.txt,*.text,*.md,*.markdown :setfiletype markdown
 augroup END
 " 2014-02-28 this really fixes the filetype recognition
-autocmd BufWinEnter *.{md,mkd,mkdn,mark*} silent setf markdown
+autocmd BufWinEnter *.{md,mkd,mkdn,mark*,txt,text} silent setf markdown
diff --git a/install.sh b/install.sh
index cf6d2ea..7f48a35 100644
--- a/install.sh
+++ b/install.sh
@@ -12,3 +12,11 @@ git submodule update
 
 echo "INFO: Vundle Install"
 vim +BundleInstall +qall
+
+# Mercurial extensions
+mkdir -p ~/workspace/application_addons/mercurial
+cd ~/workspace/application_addons/mercurial
+hg clone http://bitbucket.org/Mekk/mercurial_keyring
+hg clone http://bitbucket.org/sjl/hg-prompt
+hg clone hg clone http://bitbucket.org/durin42/hg-git
+hg clone http://bitbucket.org/yujiewu/hgflow