diff --git a/model/ccnx-name-components-hash-helper.h b/model/ccnx-name-components-hash-helper.h
index 779f7f1..45e9f0e 100644
--- a/model/ccnx-name-components-hash-helper.h
+++ b/model/ccnx-name-components-hash-helper.h
@@ -39,6 +39,9 @@
  */
 struct CcnxPrefixHash : public std::unary_function<CcnxNameComponents, std::size_t>
 {
+  /**
+   * @brief Compute hash of the name prefix
+   */
   std::size_t
   operator() (const CcnxNameComponents &prefix) const
   {