diff --git a/git/gitconfig.symlink b/git/gitconfig.symlink
index 6cd1b49..4222934 100644
--- a/git/gitconfig.symlink
+++ b/git/gitconfig.symlink
@@ -15,6 +15,8 @@
     dbr = diff --name-status
     # show diff of cached files
     gdc = diff --cached
+    # show changed files for a commit
+    cf = show --pretty="format:" --name-only
 
     # stash shortcuts
     sp = stash pop
diff --git a/vim/vimrc.symlink b/vim/vimrc.symlink
index d907c62..cff8055 100644
--- a/vim/vimrc.symlink
+++ b/vim/vimrc.symlink
@@ -59,6 +59,7 @@ if has("autocmd")
     "autocmd BufWritePost .vimrc source $MYVIMRC
     " save all files on focus lost, ignoring warnings about untitled buffers
     autocmd FocusLost * silent! wa
+    autocmd BufNewFile,BufRead *.json set filetype=javascript
     autocmd BufNewFile,BufRead *.ejs set filetype=html
 endif