diff --git a/README.md b/README.md
index b569c3c..8fe06e6 100644
--- a/README.md
+++ b/README.md
@@ -107,7 +107,7 @@ To print the currently selected formatter use `:CurrentFormatter`.
 These latter commands are mostly useful for debugging purposes.
 If you have a composite filetype with dots (like `django.python` or `php.wordpress`),
 vim-autoformat first tries to detect and use formatters for the exact original filetype, and
-then tries the same for all supertypes occuring from left to right in the original filetype
+then tries the same for all supertypes occurring from left to right in the original filetype
 separated by dots (`.`).
 
 ## Default formatprograms
@@ -118,7 +118,7 @@ Here is a list of formatprograms that are supported by default, and thus will be
   Clang-format is a product of LLVM source builds.
   If you `brew install llvm`, clang-format can be found in /usr/local/Cellar/llvm/bin/.
   Vim-autoformat checks whether there exists a `.clang-format` or a `_clang-format` file up in
-  the current directory's ancestry. Based on that it eithers uses that file or tries to match
+  the current directory's ancestry. Based on that it either uses that file or tries to match
   vim options as much as possible.
   Details: http://clang.llvm.org/docs/ClangFormat.html.
 
@@ -227,7 +227,7 @@ If you need a formatter that is not among the defaults, or if you are not satisf
 #### Basic definitions
 
 The formatprograms that available for a certain `<filetype>` are defined in `g:formatters_<filetype>`.
-This is a list containing string indentifiers, which point to corresponding formatter definitions.
+This is a list containing string identifiers, which point to corresponding formatter definitions.
 The formatter definitions themselves are defined in `g:formatdef_<identifier>` as a string
 expression.
 Defining any of these variable manually in your .vimrc, will override the default value, if existing.
@@ -265,6 +265,16 @@ If you have a composite filetype with dots (like `django.python` or `php.wordpre
 vim-autoformat internally replaces the dots with underscores so you can specify formatters
 through `g:formatters_django_python` and so on.
 
+To override these options for a local buffer, use the buffer local variants:
+`b:formatters_<filetype>` and `b:formatdef_<identifier>`. This can be useful, for example, when
+working with different projects with conflicting formatting rules, with each project having settings
+in its own vimrc or exrc file:
+
+```vim
+let b:formatdef_custom_c='"astyle --mode=c --suffix=none --options=/home/user/special_project/astylerc"'
+let b:formatters_c = ['custom_c']
+```
+
 #### Ranged definitions
 
 If your format program supports formatting specific ranges, you can provide a format
diff --git a/plugin/autoformat.vim b/plugin/autoformat.vim
index 2bccbb7..6508994 100644
--- a/plugin/autoformat.vim
+++ b/plugin/autoformat.vim
@@ -33,7 +33,10 @@ function! s:find_formatters(...)
     " Detect configuration for all possible ftypes
     let b:formatters = []
     for supertype in ftypes
-        let formatters_var = "g:formatters_".supertype
+        let formatters_var = "b:formatters_".supertype
+        if !exists(formatters_var)
+            let formatters_var = "g:formatters_".supertype
+        endif
         if !exists(formatters_var)
             " No formatters defined
             if verbose
@@ -42,7 +45,7 @@ function! s:find_formatters(...)
         else
             let formatters = eval(formatters_var)
             if type(formatters) != type([])
-                echoerr formatter_var." is not a list"
+                echoerr formatters_var." is not a list"
             else
                 let b:formatters = b:formatters + formatters
             endif
@@ -88,8 +91,11 @@ function! s:TryAllFormatters(...) range
     let s:index = b:current_formatter_index
 
     while 1
-        let formatdef_var = 'g:formatdef_'.b:formatters[s:index]
         " Formatter definition must be existent
+        let formatdef_var = 'b:formatdef_'.b:formatters[s:index]
+        if !exists(formatdef_var)
+            let formatdef_var = 'g:formatdef_'.b:formatters[s:index]
+        endif
         if !exists(formatdef_var)
             echoerr "No format definition found in '".formatdef_var."'."
             return 0