8071484: fix comment in DCReference
Reviewed-by: darcy
diff --git a/src/jdk.compiler/share/classes/com/sun/tools/javac/tree/DCTree.java b/src/jdk.compiler/share/classes/com/sun/tools/javac/tree/DCTree.java
index 2293d49..20b82a6 100644
--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/tree/DCTree.java
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/tree/DCTree.java
@@ -578,7 +578,7 @@
         public final String signature;
 
         // The following are not directly exposed through ReferenceTree
-        // use DocTrees.getElement(TreePath,ReferenceTree)
+        // use DocTrees.getElement(DocTreePath)
         public final JCTree qualifierExpression;
         public final Name memberName;
         public final List<JCTree> paramTypes;