diff --git a/Alpha_shapes_2/doc/Alpha_shapes_2/CGAL/Alpha_shape_2.h b/Alpha_shapes_2/doc/Alpha_shapes_2/CGAL/Alpha_shape_2.h
index bb48793666e..63eca6b0ea5 100644
--- a/Alpha_shapes_2/doc/Alpha_shapes_2/CGAL/Alpha_shape_2.h
+++ b/Alpha_shapes_2/doc/Alpha_shapes_2/CGAL/Alpha_shape_2.h
@@ -28,18 +28,21 @@ Note that `Dt::Geom_traits`, `Dt::Vertex`, and `Dt::Face` must be model the conc
\link Tag_true `Tag_true`\endlink, triggers exact comparisons between alpha values. This is useful
when the underlying triangulation is instantiated with an exact predicates inexact constructions
kernel. By default the `ExactAlphaComparisonTag` is set to \link Tag_false `Tag_false`\endlink as it induces a small
-overhead. Note that since such a strategy does not make sense if used together with a traits class with exact constructions,
-the tag `ExactAlphaComparisonTag` is not taken into account if `Dt::Geom_traits::FT` is not a floating point number type.
+overhead.
-\warning The tag `ExactAlphaComparisonTag` is currently ignored (that is, the code will
+\warning The tag `ExactAlphaComparisonTag` is currently ignored (meaning that the code will
behave as if `ExactAlphaComparisonTag` were set to \link Tag_false `Tag_false`\endlink)
-if the traits defines a point type that is not implicitely convertible to the two-dimensional point type
-of a CGAL kernel. This is because we internally use the class `Cartesian_converter` to switch
- between the traits and exact CGAL kernels.
-This means for example that it is useless to use the tag `ExactAlphaComparisonTag`
-in conjonction with the traits class `CGAL::Projection_traits_xy_3`: the latter
-camouflages a `CGAL::Point_3` as a `%Point_2` but the exact kernel `EK`
-will not know how to convert from the camouflaged `CGAL::Point_3` to `EK::Point_2`.
+if either condition is met:
+ - `Dt::Geom_traits::FT` is not a floating point number type. Indeed, this strategy
+ does not make sense if the traits class already provides exact constructions.
+
+ - the traits defines a point type that is not implicitely convertible to the two-dimensional point type
+ of a CGAL kernel. This is because we internally use the class `Cartesian_converter` to switch
+ between the traits class and exact CGAL kernels. For example, `ExactAlphaComparisonTag`
+ will be ignored if the traits class `CGAL::Projection_traits_xy_3` is used since
+ this traits class camouflages a `CGAL::Point_3` as a `%Point_2` and `Cartesian_converter`
+ does not know how to convert from the camouflaged `CGAL::Point_3` to the two-dimensional
+ point of an exact kernel.
\cgalHeading{I/O}
diff --git a/Alpha_shapes_3/doc/Alpha_shapes_3/CGAL/Alpha_shape_3.h b/Alpha_shapes_3/doc/Alpha_shapes_3/CGAL/Alpha_shape_3.h
index 44bd27eac70..bcca03095ae 100644
--- a/Alpha_shapes_3/doc/Alpha_shapes_3/CGAL/Alpha_shape_3.h
+++ b/Alpha_shapes_3/doc/Alpha_shapes_3/CGAL/Alpha_shape_3.h
@@ -23,14 +23,17 @@ must be model the concepts `AlphaShapeTraits_3`,
\link Tag_true `Tag_true`\endlink, triggers exact comparisons between alpha values. This is useful
when the Delaunay triangulation is instantiated with an exact predicates inexact constructions
kernel. By default the `ExactAlphaComparisonTag` is set to \link Tag_false `Tag_false`\endlink as it induces a small
-overhead. Note that since such a strategy does not make sense if used together with a traits class with exact constructions,
-the tag `ExactAlphaComparisonTag` is not taken into account if `Dt::Geom_traits::FT` is not a floating point number type.
+overhead.
-\warning The tag `ExactAlphaComparisonTag` is currently ignored (that is, the code will
+\warning The tag `ExactAlphaComparisonTag` is currently ignored (meaning that the code will
behave as if `ExactAlphaComparisonTag` were set to \link Tag_false `Tag_false`\endlink)
-if the traits defines a point type that is not implicitely convertible to the three-dimensional point type
-of a CGAL kernel. This is because we internally use the class `Cartesian_converter` to switch
- between the traits and exact CGAL kernels.
+if either condition is met:
+ - `Dt::Geom_traits::FT` is not a floating point number type. Indeed, this strategy
+ does not make sense if the traits class already provides exact constructions.
+
+ - the traits defines a point type that is not implicitely convertible to the three-dimensional point type
+ of a CGAL kernel. This is because we internally use the class `Cartesian_converter` to switch
+ between the traits class and exact CGAL kernels.
Note that this class is used for basic, weighted,
and periodicAlpha Shapes.