diff --git a/src/lint/renderer/ArcanistLintJSONRenderer.php b/src/lint/renderer/ArcanistLintJSONRenderer.php
index 66073291..580bbd81 100644
--- a/src/lint/renderer/ArcanistLintJSONRenderer.php
+++ b/src/lint/renderer/ArcanistLintJSONRenderer.php
@@ -44,6 +44,7 @@ class ArcanistLintJSONRenderer {
           $message->getLine() - self::LINES_OF_CONTEXT,
           self::LINES_OF_CONTEXT * 2 + 1
         )),
+        'description' => $message->getDescription(),
       );
     }