Minor fixes.

README.markdown

@@ -29,10 +29,11 @@ At the time of this writing, syntax checking plugins exist for Ada,
 AppleScript, Bourne shell, C, C++, C#, CoffeeScript, Coco, Coq, CSS,
 Cucumber, CUDA, D, Dart, DocBook, Elixir, Erlang, eRuby, Fortran, Gentoo
 metadata, Go, Haml, Haskell, Haxe, HTML, Java, JavaScript, JSON, LESS,
-LISP, LLVM intermediate language, Lua, MATLAB, NASM, Objective-C, OCaml,
-Perl, Perl POD, PHP, Puppet, Python, reStructuredText, Ruby, Rust,
-SASS/SCSS, Scala, Slim, Tcl, TeX, Twig, TypeScript, Vala, VHDL, xHtml,
-XML, XSLT, YAML, z80, Zope page templates, zsh.
+LISP, LLVM intermediate language, Lua, MATLAB, NASM, Objective-C,
+Objective-C++, OCaml, Perl, Perl POD, PHP, Puppet, Python,
+reStructuredText, Ruby, Rust, SASS/SCSS, Scala, Slim, Tcl, TeX, Twig,
+TypeScript, Vala, VHDL, xHtml, XML, XSLT, YAML, z80, Zope page
+templates, zsh.
 
 ## Screenshot
 

plugin/syntastic/registry.vim

@@ -9,7 +9,11 @@ let s:defaultCheckers = {
         \ 'cpp': ['gcc'],
         \ 'html': ['tidy'],
         \ 'java': ['javac'],
+        \ 'javascript': ['jshint', 'jslint'],
         \ 'objc': ['gcc'],
+        \ 'objcpp': ['gcc'],
+        \ 'perl': ['perl'],
+        \ 'python': ['python', 'flake8', 'pylint'],
         \ 'php': ['php', 'phpcs', 'phpmd'],
         \ 'ruby': ['mri']
     \ }