diff --git a/src/text_simulation.hh b/src/text_simulation.hh
index 76b394f..0035751 100644
--- a/src/text_simulation.hh
+++ b/src/text_simulation.hh
@@ -40,15 +40,81 @@ namespace sgpem
 	class TextSimulation;
 
   /** 
-  
+    \brief Concrete \ref Simulation subclass with a text-based user interface.
+
+    A command-based interface is used, so methods of the base class can be called with
+    a proper command string obtained from the input device(s).
+    Any object returned after the call to Simulation will be returned to the output
+    devices(s) in a human-readable format.
    */	
 	class SG_DLLEXPORT TextSimulation : public Simulation, public sigc::trackable
 	{
 	public:
 		~TextSimulation();
 		
+		/**
+		  \brief Executes a command read from an input device.
+		  A list of supported commands follows:
+		  
+		  \li help \<string\> \br
+		  If \<string\> is a valid command, usage instructions are printed 
+		  for the command.
+
+		  \li run \br
+		  Calls run()
+
+		  \li pause \br
+		  Calls pause()
+
+		  \li stop \br
+		  Calls stop()
+
+		  \li setmode \<bool\> \br
+		  Calls set_mode()
+
+		  \li getmode \br
+		  Calls get_mode()
+
+		  \li settimer \<int\> \br
+		  Calls set_timer()
+
+		  \li gettimer \br
+		  Calls get_timer()
+		  
+		  \li reset \br
+		  Calls reset()
+
+		  \li jumpto \<int\> \br
+		  Calls jump_to()
+
+		  \li setpolicy \<string\> \br
+		  Calls set_policy()
+
+		  \li getpolicy \br
+		  Calls get_policy(), and prints the name and a description of 
+		  the returned policy
+
+		  \li getpolicies \br
+		  Calls get_avaiable_policies(), and prints a list of policy 
+		  descriptions in the same way as getpolicy does
+
+		  \li setpolicyattributes \<name\> = \<value\>; \<name\> = \<value\>; \br
+		  Changes the value of the policy's attributes
+		  
+		  \li  getpolicyattributes
+		  Prints the name and the value of the policy's attributes
+		 */
 		static void	parse_command(std::pair< std::pair<TextSimulation*, IOManager*>, const Glib::ustring >);
+
+		/**
+		  Adds an available I/O device.
+		 */
 		void	add_io_device(memory::smart_ptr<IOManager>);
+		
+		/**
+		  Prints the actual state of the simulation, with emphasis on the current
+		  status of the scheduling process (ready queue and running process).
+		 */
 		void	update();
 		
 	private: