diff --git a/dune/fufem/assemblers/boundaryfunctionalassembler.hh b/dune/fufem/assemblers/boundaryfunctionalassembler.hh
index 1ebcc9eae76d5005f5c27a9a93a9491e4884a025..b5f234eec0384138488fa1710a66d8d78b2f6b09 100644
--- a/dune/fufem/assemblers/boundaryfunctionalassembler.hh
+++ b/dune/fufem/assemblers/boundaryfunctionalassembler.hh
@@ -52,9 +52,13 @@ class BoundaryFunctionalAssembler
         {}
 
         /** \brief Assemble
-         * 
-         * \param initializeVector If this is set the output vector is set to the correct length and initialized to zero
-         * before assembly.  Otherwise the assembled values are just added to the vector
+         *
+         * \param localAssembler local assembler
+         * \param[out] b target vector
+         * \param initializeVector If this is set the output vector is
+         * set to the correct length and initialized to zero before
+         * assembly. Otherwise the assembled values are just added to
+         * the vector.
          */
         template <class LocalBoundaryFunctionalAssemblerType, class GlobalVectorType>
         void assemble(LocalBoundaryFunctionalAssemblerType& localAssembler, GlobalVectorType& b, bool initializeVector=true) const
diff --git a/dune/fufem/assemblers/functionalassembler.hh b/dune/fufem/assemblers/functionalassembler.hh
index 61cd2e2acb6a732cb60004dabd5992fb0439f6f3..89e385415331f737f3dc3ce387a3219c479e6b81 100644
--- a/dune/fufem/assemblers/functionalassembler.hh
+++ b/dune/fufem/assemblers/functionalassembler.hh
@@ -18,6 +18,15 @@ class FunctionalAssembler
             tBasis_(tBasis)
         {}
 
+        /** \brief Assemble
+         *
+         * \param localAssembler local assembler
+         * \param[out] b target vector
+         * \param initializeVector If this is set the output vector is
+         * set to the correct length and initialized to zero before
+         * assembly. Otherwise the assembled values are just added to
+         * the vector.
+         */
         template <class LocalFunctionalAssemblerType, class GlobalVectorType>
         void assemble(LocalFunctionalAssemblerType& localAssembler, GlobalVectorType& b, bool initializeVector=true) const
         {