diff --git a/src/TNL/Containers/List.h b/src/TNL/Containers/List.h
index 3954b014e121e6a7947f0ad56392ca24feb69dcf..96cd236f7622a4000f36fecb4f7e2d5093b3d5cf 100644
--- a/src/TNL/Containers/List.h
+++ b/src/TNL/Containers/List.h
@@ -59,6 +59,7 @@ template< class T > class List
       /// Destroys the list. References to the values in the list become invalid.
       ~List();
 
+      /// Returns the type of list.
       static String getType();
 
       /// Returns \e true if the list contains no items, otherwise returns \e false.
diff --git a/src/TNL/Logger.h b/src/TNL/Logger.h
index bddcfeeebe624cf2226572cfa15b2ddf1b90012d..d73594d2cf512bf5f141e6990d1632dd8851613a 100644
--- a/src/TNL/Logger.h
+++ b/src/TNL/Logger.h
@@ -15,7 +15,7 @@
 
 namespace TNL {
 
-/// Vytvari tabulku s logem vypoctu   
+/// Creates calculations log in the form of a table.
 class Logger
 {
    public:
@@ -36,12 +36,12 @@ class Logger
    /// \param title String containing the header title.
    void writeHeader( const String& title );
 
-   /// \brief Creates separator for structuring the log.
+   /// \brief Creates separator used as a log structure.
    void writeSeparator();
 
    /// \brief Inserts information about various system parameters into the log.
    ///
-   /// \param parameters is a container with configuration parameters
+   /// \param parameters A container with configuration parameters.
    bool writeSystemInformation( const Config::ParameterContainer& parameters );
 
    /////
@@ -50,6 +50,14 @@ class Logger
    /// \param label Label to be printed to the log together with the current time.
    void writeCurrentTime( const char* label );
 
+   /// \brief Inserts parameter information into the log.
+   ///
+   /// \tparam ParameterType Type of the parameter.
+   /// \param label Description/label of the line.
+   /// \param parameterName Name of the parameter.
+   /// \param parameters A container with configuration parameters.
+   /// \param parameterLevel Integer defining the indent used in the log.
+
    // TODO: add units
    template< typename ParameterType >
    void writeParameter( const String& label,
@@ -57,6 +65,12 @@ class Logger
                         const Config::ParameterContainer& parameters,
                         int parameterLevel = 0 );
 
+   /// \brief Inserts parameter information into the log.
+   ///
+   /// \tparam ParameterType Type of the parameter.
+   /// \param label Description/label of the line.
+   /// \param value Parameter value.
+   /// \param parameterLevel Integer defining the indent used in the log.
    template< typename ParameterType >
    void writeParameter( const String& label,
                         const ParameterType& value,