Merge pull request #2447 from assimp/issue_2054

Add missing doc.

include/assimp/config.h.in

@@ -651,14 +651,18 @@ enum aiComponent
 
 // ---------------------------------------------------------------------------
 /** @brief Set whether the fbx importer will use the legacy embedded texture naming.
-*
-* The default value is false (0)
-* Property type: bool
-*/
+ *
+ * The default value is false (0)
+ * Property type: bool
+ */
 #define AI_CONFIG_IMPORT_FBX_EMBEDDED_TEXTURES_LEGACY_NAMING \
 	"AI_CONFIG_IMPORT_FBX_EMBEDDED_TEXTURES_LEGACY_NAMING"
 
 // ---------------------------------------------------------------------------
+/** @brief  Set wether the FBX importer shall not remove empty bones.
+ *  
+ *  Empty bone are often used to define connections for other models.
+ */
 #define AI_CONFIG_IMPORT_REMOVE_EMPTY_BONES \
     "AI_CONFIG_IMPORT_REMOVE_EMPTY_BONES"