Exclude: Fix doc comment.
diff --git a/include/ndn-cpp/interest.hpp b/include/ndn-cpp/interest.hpp
index 7dfb09a..8788fd8 100644
--- a/include/ndn-cpp/interest.hpp
+++ b/include/ndn-cpp/interest.hpp
@@ -20,7 +20,7 @@
 namespace ndn {
   
 /**
- * An Exclude holds a vector of ExcludeEntry.
+ * An Exclude holds a vector of Exclude::Entry.
  */
 class Exclude {
 public: