diff --git a/io/src/main/java/org/apache/pdfbox/io/IOUtils.java b/io/src/main/java/org/apache/pdfbox/io/IOUtils.java
index d3589f385cf..193f6765903 100644
--- a/io/src/main/java/org/apache/pdfbox/io/IOUtils.java
+++ b/io/src/main/java/org/apache/pdfbox/io/IOUtils.java
@@ -168,8 +168,8 @@ public static IOException closeAndLogException(Closeable closeable, Logger logge
 
     /**
      * Unmap memory mapped byte buffers. This is a hack waiting for a proper JVM provided solution expected in java 10
-     * https://bugs.openjdk.java.net/browse/JDK-4724038 The issue here is that even when closed, memory mapped byte
-     * buffers hold a lock on the underlying file until GC is executes and this in turns result in an error if the user
+     * <a href="https://bugs.openjdk.java.net/browse/JDK-4724038">Add unmap method to MappedByteBuffer</a>. The issue here is that even when closed, memory mapped byte
+     * buffers hold a lock on the underlying file until GC is executing and this in turns result in an error if the user
      * tries to move or delete the file.
      * 
      * @param buf the buffer to be unmapped