diff --git a/lib/algorithm.js b/lib/algorithm.js
index 3329fc3..be271f8 100644
--- a/lib/algorithm.js
+++ b/lib/algorithm.js
@@ -45,7 +45,6 @@ class Algorithm {
   }
 
   /**
-   * @param {string} rootMsgHash
    * @param {Range} localHaveRange
    * @param {Range} remoteHaveRange
    * @returns {Range}
@@ -55,7 +54,6 @@ class Algorithm {
   }
 
   /**
-   * @param {string} rootMsgHash
    * @param {Range} localHaveRange
    * @param {Range} remoteHaveRange
    * @param {number} count
@@ -72,7 +70,6 @@ class Algorithm {
   }
 
   /**
-   * @param {string} rootMsgHash
    * @param {Range} localHaveRange
    * @param {Range} remoteHaveRange
    * @param {number} count