security: Change to use IdentityCertificate instead of Certificate where needed.
diff --git a/include/ndn-cpp/util/blob.hpp b/include/ndn-cpp/util/blob.hpp
index af9432d..5bf5654 100644
--- a/include/ndn-cpp/util/blob.hpp
+++ b/include/ndn-cpp/util/blob.hpp
@@ -21,7 +21,7 @@
* of the string. However, like a JavaScript string, it is possible to change the pointer, and so this does allow
* the copy constructor and assignment to change the pointer. Also remember that the pointer can be null.
* (Note that we could have made Blob derive directly from vector<uint8_t> and then explicitly use
- * a pointer to it like shared_ptr<Blob>, but this does not enforce immutability because we can't declare
+ * a pointer to it like Blob, but this does not enforce immutability because we can't declare
* Blob as derived from const vector<uint8_t>.)
*/
class Blob : public ptr_lib::shared_ptr<const std::vector<uint8_t> > {