last small fixes, this is alpha6, eigen2 is now ready for eigen1 apps to
port to.
diff --git a/Eigen/Geometry b/Eigen/Geometry
index 4d7b3f3..7a3ca9e 100644
--- a/Eigen/Geometry
+++ b/Eigen/Geometry
@@ -9,6 +9,7 @@
   * This module provides support for:
   *  - fixed-size homogeneous transformations
   *  - 2D and 3D rotations
+  *  - quaternions
   *  - \ref MatrixBase::cross() "cross product"
   *  - \ref MatrixBase::someOrthognal() "orthognal vector generation"
   *