diff --git a/src/gfx.cpp b/src/gfx.cpp
--- a/src/gfx.cpp
+++ b/src/gfx.cpp
@@ -105,7 +105,7 @@ static ReusableBuffer<uint8> _cursor_bac
  */
 static Rect _invalid_rect;
 static const byte *_colour_remap_ptr;
-static byte _string_colourremap[3]; ///< Recoloursprite for stringdrawing. The grf loader ensures, that ST_FONT sprites only use colours 0 to 2.
+static byte _string_colourremap[3]; ///< Recoloursprite for stringdrawing. The grf loader ensures that #ST_FONT sprites only use colours 0 to 2.
 
 static const uint DIRTY_BLOCK_HEIGHT   = 8;
 static const uint DIRTY_BLOCK_WIDTH    = 64;