Fix javadoc links to normally hidden Java classes.
diff --git a/src/main/java/org/apache/datasketches/memory/CompareAndCopy.java b/src/main/java/org/apache/datasketches/memory/CompareAndCopy.java
index 02b647d..8052d0a 100644
--- a/src/main/java/org/apache/datasketches/memory/CompareAndCopy.java
+++ b/src/main/java/org/apache/datasketches/memory/CompareAndCopy.java
@@ -34,14 +34,14 @@
final class CompareAndCopy {
/**
- * Don't use {@link sun.misc.Unsafe#copyMemory} to copy blocks of memory larger than this
+ * Don't use sun.misc.Unsafe#copyMemory to copy blocks of memory larger than this
* threshold, because internally it doesn't have safepoint polls, that may cause long
* "Time To Safe Point" pauses in the application. This has been fixed in JDK 9 (see
* https://bugs.openjdk.java.net/browse/JDK-8149596 and
* https://bugs.openjdk.java.net/browse/JDK-8141491), but not in JDK 8, so the Memory library
* should keep having this boilerplate as long as it supports Java 8.
*
- * <p>A reference to this can be found in {@link java.nio.Bits}.</p>
+ * <p>A reference to this can be found in java.nio.Bits.</p>
*/
static final int UNSAFE_COPY_THRESHOLD_BYTES = 1024 * 1024;