Fix typo in comment.
diff --git a/ndn-cpp/encoding/wire-format.hpp b/ndn-cpp/encoding/wire-format.hpp
index e0ffdf0..939c00c 100644
--- a/ndn-cpp/encoding/wire-format.hpp
+++ b/ndn-cpp/encoding/wire-format.hpp
@@ -68,7 +68,7 @@
   
   /**
    * Set the static default WireFormat used by default encoding and decoding methods.
-   * @param wireFormat A Pointer to a object of a subclass of WireFormat.  This does not make a copy and
+   * @param wireFormat A Pointer to an object of a subclass of WireFormat.  This does not make a copy and
    * the caller must ensure that the object remains allocated.
    */
   static void setDefaultWireFormat(WireFormat *wireFormat)