changed prefix for native BD engine game element description files

[rocksndiamonds.git] / docs / elements / bdx_expandable_wall.txt

diff --git a/docs/elements/bdx_expandable_wall.txt b/docs/elements/bdx_expandable_wall.txt
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+Expandable wall expands in horizontal or vertical (or both) direction, if there
+is an empty space to fill up. You should be very careful not to be catched by
+the expanding wall.