diff --git a/tools/board/tileset.py b/tools/board/tileset.py
index 4b4a89c3d..c7c89c67d 100755
--- a/tools/board/tileset.py
+++ b/tools/board/tileset.py
@@ -15,12 +15,12 @@ The layout of the generated tileset's metatiles is as follows:
 - Metatiles from 0x00 to 0x7f come from the source tileset.
 - Metatiles from 0x80 to 0xdf are each made to use the specified space in the top left tile.
 - Metatiles from 0xe0 to 0xff are fixed to use the grey space in the top left tile.
-- All non-space tiles in the metatiles are fixed to 0x01.
+- All non-space tiles in the metatiles 0x80 to 0xff are fixed to 0x01.
 
 The user inputs the following before generating the new tileset:
 - In the fixed_spaces list of the program: your layout of gfx/tilesets/spaces/fixed_spaces.png
 - In the program window: name of the source tileset.
-- In the program window: name of the tileset to create
+- In the program window: name of the tileset to create.
 - In the program window: index of variable spaces to use in the new tileset.
 - In the program window: layout of spaces in metatiles 0x80 - 0xdf.