diff --git a/initializer.h b/initializer.h
index d156e589..dcd3820c 100644
--- a/initializer.h
+++ b/initializer.h
@@ -13,21 +13,51 @@ Markus Zolliker, March 2005
 typedef void (*Initializer)(void);
 
 void MakeInitializer(const char *type, const char *name, Initializer maker, int startupOnly);
+/*
+   install an initializer
+
+   type: the type of the initializer
+   name: the name of the initalizer
+   maker: an initalizer function. The prototype does normally not match,
+          a cast (Initializer) is needed on the call. But: all initializers
+          with the same type must have the same prototype.
+   startupOnly: put 1, if the initializer should only be available during
+                startup
+*/
 
 Initializer GetInitializer(const char *type, const char *name);
+/*
+    Get back an initializer with given type and name.
+    The result must be casted to the proper prototype for the given
+    type. 
+*/
 
+static int MakeObject(SConnection *con, SicsInterp *sics,
+                   void *data, int argc, char *argv[]);
 /*
    MakeObject has the following syntax:
    
      MakeObject objectName driver [ args ... ]
+  
+   It executes the initializer with the type "Object" and and the
+   driver given as name. The found initalizer should use the given arguments
+   to create a driver.
    
 */
+
 typedef int (*CmdInitializer) (SConnection *pCon, int argc, char *argv[], int dynamic);
-/*    
-   make a driver with the initializer function maker
-   when the dynamic argument is not 0, the command was created after startup,
-   i.e. the SaveStatus routine has also to write command creation code.
+/*
+   The initalizer prototype for the type "Object".
+   - pCon: the sics connection calling this initializer
+   - argc: the total number of args
+   - argv: the args (argv[0]: "MakeObject", argv[1]: object name, argv[3]: driver ...)
+   - dynamic: the initializer was called _after_ startup
 */
+
 void MakeDriver(const char *driver, CmdInitializer maker, int startupOnly);
+/*    
+   Install a driver of type "Object" with the initializer function maker.
+   - startupOnly: the driver creation should only be possible at startup
+*/
 
 #endif