diff --git a/src/gmio_core/stream.h b/src/gmio_core/stream.h
index 693e22d..40d5195 100644
--- a/src/gmio_core/stream.h
+++ b/src/gmio_core/stream.h
@@ -7,7 +7,7 @@
 GMIO_C_LINKAGE_BEGIN
 
 /*! Stream that can get input from an arbitrary data source or can write output to an arbitrary
- *  data sink
+ *  data sink. It can be seen as generalization of the standard FILE*
  */
 struct gmio_stream
 {
diff --git a/src/gmio_core/transfer.h b/src/gmio_core/transfer.h
index 61b699f..73cf168 100644
--- a/src/gmio_core/transfer.h
+++ b/src/gmio_core/transfer.h
@@ -5,16 +5,16 @@
 #include "stream.h"
 #include "task_control.h"
 
-/*! Defines data required for any transfer(read/write) operation */
+/*! Defines objects required for any transfer(read/write) operation */
 struct gmio_transfer
 {
-  /*! The stream to be used for I/O */
+  /*! The stream object to be used for I/O */
   gmio_stream_t       stream;
 
   /*! The optional control object used to handle progress of the transfer */
   gmio_task_control_t task_control;
 
-  /*! Pointer on a user memory area used by the transfer as a buffer for stream optimization */
+  /*! Pointer on a memory buffer used by the transfer for stream operations */
   void*               buffer;
 
   /*! Size (in bytes) of the memory buffer */
diff --git a/src/gmio_stl/stla_write.c b/src/gmio_stl/stla_write.c
index 6dafa79..38026b4 100644
--- a/src/gmio_stl/stla_write.c
+++ b/src/gmio_stl/stla_write.c
@@ -96,7 +96,7 @@ static gmio_bool_t gmio_transfer_flush_buffer(gmio_transfer_t* trsf, size_t n)
 
 #define _GMIO_INTERNAL_MIN(v1, v2)  ((v1) < (v2) ? (v1) : (v2))
 
-/*! \param geom Defines the custom geometry to write
+/*! \param mesh Defines the mesh to write
  *  \param trsf Defines needed objects (stream, buffer, ...) for the writing operation
  *  \param solid_name May be NULL to generate default name
  *  \param real32_prec The maximum number of significant digits
@@ -105,7 +105,7 @@ static gmio_bool_t gmio_transfer_flush_buffer(gmio_transfer_t* trsf, size_t n)
  *
  *  \retval GMIO_NO_ERROR If operation successful
  */
-int gmio_stla_write(const gmio_stl_mesh_t *mesh,
+int gmio_stla_write(const gmio_stl_mesh_t* mesh,
                     gmio_transfer_t* trsf,
                     const char* solid_name,
                     uint8_t real32_prec)