2 files changed, 6 insertions, 7 deletions
diff --git a/methods/lbfgs/lbfgs.h b/methods/lbfgs/lbfgs.h
index 7be84a7..6921f6c 100644
--- a/methods/lbfgs/lbfgs.h
+++ b/methods/lbfgs/lbfgs.h
@@ -24,13 +24,6 @@ typedef double lbfgsfloatval_t;
 #endif
 
 
-/** 
- * \addtogroup liblbfgs_api libLBFGS API
- * @{
- *
- *  The libLBFGS API.
- */
-
 /**
  * Return values of lbfgs().
  * 
diff --git a/methods/lbfgs/lbfgs_method.hpp b/methods/lbfgs/lbfgs_method.hpp
index eecde76..18e1814 100644
--- a/methods/lbfgs/lbfgs_method.hpp
+++ b/methods/lbfgs/lbfgs_method.hpp
@@ -1,3 +1,9 @@
+/**
+   \file lbfgs_method.hpp
+   \brief large bfgs method, used to perform large scale optimization
+   \author Junhua Gu
+ */
+
 #ifndef LBFGS_METHOD
 #define LBFGS_METHOD
 #define OPT_HEADER