diff --git a/lib/http-api.js b/lib/http-api.js
index aa691067b..d1faf6f45 100644
--- a/lib/http-api.js
+++ b/lib/http-api.js
@@ -587,7 +587,7 @@ module.exports.MatrixHttpApi.prototype = {
      * @param {object|string} data
      * @param {object=} opts
      *
-     * @param {boolean} [opts.json=true] Json-encode data before sending, and
+     * @param {boolean} [opts.json =true] Json-encode data before sending, and
      *   decode response on receipt. (We will still json-decode error
      *   responses, even if this is false.)
      *