diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/BloomFilterChunk.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/BloomFilterChunk.java
index 90d4d8fe0205..a5b38256c602 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/BloomFilterChunk.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/BloomFilterChunk.java
@@ -171,7 +171,7 @@ void bloomCheck(ByteBuffer bloom)  throws IllegalArgumentException {
   void add(byte [] buf, int offset, int len) {
     /*
      * For faster hashing, use combinatorial generation
-     * http://www.eecs.harvard.edu/~kirsch/pubs/bbbf/esa06.pdf
+     * https://www.eecs.harvard.edu/~michaelm/postscripts/tr-02-05.pdf
      */
     HashKey<byte[]> hashKey = new ByteArrayHashKey(buf, offset, len);
     int hash1 = this.hash.hash(hashKey, 0);
@@ -182,7 +182,7 @@ void add(byte [] buf, int offset, int len) {
   public void add(Cell cell) {
     /*
      * For faster hashing, use combinatorial generation
-     * http://www.eecs.harvard.edu/~kirsch/pubs/bbbf/esa06.pdf
+     * https://www.eecs.harvard.edu/~michaelm/postscripts/tr-02-05.pdf
      */
     int hash1;
     int hash2;