2 files changed, 8 insertions, 3 deletions
diff --git a/src/Skeleton_blocker/concept/SkeletonBlockerGeometricDS.h b/src/Skeleton_blocker/concept/SkeletonBlockerGeometricDS.h
index fad680d0..8fbf0d12 100644
--- a/src/Skeleton_blocker/concept/SkeletonBlockerGeometricDS.h
+++ b/src/Skeleton_blocker/concept/SkeletonBlockerGeometricDS.h
@@ -9,6 +9,9 @@
 #ifndef GUDHI_SKELETONBLOCKERGEOMETRICDS_H_
 #define GUDHI_SKELETONBLOCKERGEOMETRICDS_H_
 
+namespace Gudhi {
+namespace skbl {
+
 /** 
  * \brief Concept for template class of  Skeleton_blocker_geometric_complex .
  * It must specify a GeometryTrait which contains a Point definition.
@@ -65,6 +68,7 @@ struct SkeletonBlockerGeometricDS : public SkeletonBlockerDS
 	};
 };
 
-
+}  // namespace skbl
+}  // namespace GUDHI
 
 #endif /* GUDHI_SKELETONBLOCKERGEOMETRICDS_H_ */
diff --git a/src/Skeleton_blocker/include/gudhi/Skeleton_blocker.h b/src/Skeleton_blocker/include/gudhi/Skeleton_blocker.h
index eff37a18..b06c3513 100644
--- a/src/Skeleton_blocker/include/gudhi/Skeleton_blocker.h
+++ b/src/Skeleton_blocker/include/gudhi/Skeleton_blocker.h
@@ -79,8 +79,9 @@ in topological data-analysis.
 In practice, the set of blockers of a simplicial complex 
 remains also small when simplifying a Rips complex with edge contractions 
 but also for most of the simplicial complexes used in topological data-analysis such as Delaunay, Cech or Witness complexes. 
-For instance, the numbers of blockers is depicted for random 3 dimensional spheres embedded into \f$R^4\f$ 
-in figure X.
+For instance, the numbers of blockers is depicted for random 3-dimensional spheres embedded into \f$R^4\f$ 
+in next figure. Storing the graph and blockers of such simplicial complex is much compact in this case than storing 
+its simplices.
 
 
 *\image html "blockers_curve.png" "Number of blockers of random triangulations of 3-spheres" width=10cm