diff --git a/lib/bcoin/mempool.js b/lib/bcoin/mempool.js
index 78c12c87..f550c91f 100644
--- a/lib/bcoin/mempool.js
+++ b/lib/bcoin/mempool.js
@@ -704,7 +704,7 @@ Mempool.prototype.addUnchecked = function addUnchecked(entry, callback, force) {
  * Remove a transaction from the mempool. Generally
  * only called when a new block is added to the main chain.
  * @param {MempoolEntry} entry
- * @param {Function} callback
+ * @param {Boolean} limit
  */
 
 Mempool.prototype.removeUnchecked = function removeUnchecked(entry, limit) {