Improved documentation.

diff --git a/include/deal.II/base/bounding_box.h b/include/deal.II/base/bounding_box.h
index bfb85c5e79ee2dbc5d58c5aa22187436c02ed2f3..8922fa6b367626a305b38af4c0e9caeb800611a6 100644 (file)
--- a/include/deal.II/base/bounding_box.h
+++ b/include/deal.II/base/bounding_box.h
@@ -141,8 +141,10 @@ public:
   point_inside(const Point<spacedim, Number> &p) const;
 
   /**
-   * Increase (or decrease) the size of the bounding box by the given amount,
-   * in both directions in all coordinate directions.
+   * Increase (or decrease) the size of the bounding box by the given amount.
+   * After calling this method, the lower left corner of the bounding box will
+   * have each coordinate decreased by @p amount, and the upper right corner
+   * of the bounding box will have each coordinate increased by @p amount.
    *
    * If you call this method with a negative number, and one of the axes of the
    * original bounding box is smaller than amount/2, the method will trigger