diff --git a/lib/http-api.js b/lib/http-api.js
index 100577d71..cb082d6b3 100644
--- a/lib/http-api.js
+++ b/lib/http-api.js
@@ -414,6 +414,7 @@ var requestCallback = function(defer, userDefinedCallback, onlyData) {
  * @prop {string} name The Matrix 'errcode' value, e.g. "M_FORBIDDEN".
  * @prop {string} message The Matrix 'error' value, e.g. "Missing token."
  * @prop {Object} data The raw Matrix error JSON used to construct this object.
+ * @prop {integer} httpStatus The numeric HTTP status code given
  */
 module.exports.MatrixError = function MatrixError(errorJson) {
     this.name = errorJson.errcode || "Unknown error code";