--- a/src/core/model/system-path.cc	Fri Jul 24 11:49:59 2015 -0700
+++ b/src/core/model/system-path.cc	Fri Jul 24 12:45:22 2015 -0700
@@ -82,7 +82,7 @@
  * This is an internal function (by virtue of not being
  * declared in a \c .h file); the public API is FindSelfDirectory().
  * 
- * \param path The full path to a file.
+ * \param [in] path The full path to a file.
  * \returns The full path to the containing directory.
  */
 std::string Dirname (std::string path)