WalkSorter: Fix link in javadoc

Change-Id: Ic1e95a3f34ea914d73470a232770233e6ef983c8
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/change/WalkSorter.java b/gerrit-server/src/main/java/com/google/gerrit/server/change/WalkSorter.java
index 56d6677..0ccf991 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/change/WalkSorter.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/change/WalkSorter.java
@@ -53,9 +53,9 @@
  * <p>
  * Split changes by project, and map each change to a single commit based on the
  * latest patch set. The set of patch sets considered may be limited by calling
- * {@link #includePatchSets(Set)}. Perform a standard {@link RevWalk} on each
- * project repository, and record the order in which each change's commit is
- * seen.
+ * {@link #includePatchSets(Iterable)}. Perform a standard {@link RevWalk} on
+ * each project repository, and record the order in which each change's commit
+ * is seen.
  * <p>
  * Once an order within each project is determined, groups of changes are sorted
  * based on the project name. This is slightly more stable than sorting on