diff --git a/share/grafx2/gfx2def.ini b/share/grafx2/gfx2def.ini
index 3d9f6728..85077ebb 100644
--- a/share/grafx2/gfx2def.ini
+++ b/share/grafx2/gfx2def.ini
@@ -352,7 +352,7 @@
   Pixel_ratio = 0; (Default 0)
 
   ; This records the visibility of toolbars, to restore them on start.
-  ; It's a bitfield, where 1=Status, 2=Layers, 4=Tools
+  ; It's a bitfield, where 1=Status, 2=Layers/Animation, 4=Tools
   ;
   Menubars_visible = 255; (Default 255)
   
@@ -387,4 +387,24 @@
   ;
   Allow_multi_shortcuts = no; (Default no)
   
+  ; Determines if the Tilemap tool should identify tiles that are mirrored
+  ; version of other tiles, on the X axis.
+  ;
+  Tilemap_detect_mirrored_x = no; (Default no)
+
+  ; Determines if the Tilemap tool should identify tiles that are mirrored
+  ; version of other tiles, on the Y axis.
+  ;
+  Tilemap_detect_mirrored_y = no; (Default no)
+  
+  ; Determines if the Tilemap tool should identify tiles that are reversed
+  ; versions of other tiles (180°).
+  ;
+  Tilemap_detect_mirrored_xy = no; (Default no)
+
+  ; Determines if the Tilemap tool should show the number of distinct tiles
+  ; at the end of analysis.
+  ;
+  Tilemap_count = no; (Default no)
+
   ; end of configuration