MLECO-1858: Documentation update

* Removing `_` in front of private functions and member

Signed-off-by: Isabella Gottardi <isabella.gottardi@arm.com>
Change-Id: I5a5d652f9647ebb16d2d2bd16ab980e73f7be3cf
diff --git a/source/application/hal/platforms/native/data_presentation/log/include/log.h b/source/application/hal/platforms/native/data_presentation/log/include/log.h
index 10cf303..9b9928f 100644
--- a/source/application/hal/platforms/native/data_presentation/log/include/log.h
+++ b/source/application/hal/platforms/native/data_presentation/log/include/log.h
@@ -50,6 +50,7 @@
  * @param[in]   str_sz      Length of the string.
  * @param[in]   pos_x       Screen position x co-ordinate.
  * @param[in]   pos_y       Screen position y co-ordinate.
+ * @param[in]   allow_multiple_lines  Specifies if multiple lines are allowed.
  * @return      0 if successful, non-zero otherwise.
  **/
 int log_display_text(const char* str, const size_t str_sz,