docs: Updating doxygen comments and minor update to normalize API
Change-Id: I24686acc36f372ee2eddffaaa6c104f964ceeca4
Refs: #1299
diff --git a/src/face.hpp b/src/face.hpp
index 11800c8..18f40e6 100644
--- a/src/face.hpp
+++ b/src/face.hpp
@@ -376,7 +376,9 @@
* If registeredPrefixId was obtained using setInterestFilter, the corresponding
* InterestFilter will be unset too.
*
- * @param registeredPrefixId The ID returned from registerPrefix.
+ * @param registeredPrefixId The ID returned from registerPrefix
+ * @param onSuccess Callback to be called when operation succeeds
+ * @param onFailure Callback to be called when operation fails
*/
void
unregisterPrefix(const RegisteredPrefixId* registeredPrefixId,