diff --git a/src/applications/config/option/PhabricatorSyntaxHighlightingConfigOptions.php b/src/applications/config/option/PhabricatorSyntaxHighlightingConfigOptions.php
--- a/src/applications/config/option/PhabricatorSyntaxHighlightingConfigOptions.php
+++ b/src/applications/config/option/PhabricatorSyntaxHighlightingConfigOptions.php
@@ -102,9 +102,8 @@
           'python' => 'Python',
           'rainbow' => 'Rainbow',
           'remarkup' => 'Remarkup',
-          'rest' => 'reStructuredText',
-          'robotframework' => 'RobotFramework',
           'rst' => 'reStructuredText',
+          'robotframework' => 'RobotFramework',
           'ruby' => 'Ruby',
           'sql' => 'SQL',
           'tex' => 'LaTeX',