Edit
~/Library/Application Support/Sublime Text 2/Packages/BracketHighlighter/bh_core.sublime-settings
Add "RSpec" to the list of languages.
// Ruby conditional statements { "name": "ruby", "open": "(^\\s*\\b(?:if|case|until|unless|while|begin|class|module|def\\b\\s*[a-zA-Z_\\d]+)|do)\\b", "close": "\\b(end)\\b", "style": "default", "scope_exclude": ["string", "comment"], "plugin_library": "bh_modules.rubykeywords", "language_filter": "whitelist", "language_list": ["RSpec", "Ruby", "Ruby on Rails", "HTML (Rails)"], "enabled": true },
Result

EDIT
Installing the Highliter "BH2" branch using package management:
Open
~/Library/Application Support/Sublime Text 2/Packages/User/Package Control.sublime-settings
and add
"repositories": [ "https://github.com/facelessuser/BracketHighlighter/tree/BH2" ]
Then from the Packing Package Control: Upgrade Package Pack Package Control: Upgrade Package pop-up menu, and select "Knob Marker."
AGS
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