Merge remote-tracking branch 'origin/master' into tomato2

1 files changed, 2 insertions, 2 deletions

diff --git a/src/Persistence_representations/utilities/persistence_intervals/plot_persistence_Betti_numbers.cpp b/src/Persistence_representations/utilities/persistence_intervals/plot_persistence_Betti_numbers.cpp
index 451be77f..27c69e07 100644
--- a/src/Persistence_representations/utilities/persistence_intervals/plot_persistence_Betti_numbers.cpp
+++ b/src/Persistence_representations/utilities/persistence_intervals/plot_persistence_Betti_numbers.cpp
@@ -19,7 +19,7 @@ using Persistence_intervals = Gudhi::Persistence_representations::Persistence_in
 
 int main(int argc, char** argv) {
   if ((argc != 3) && (argc != 2)) {
-    std::cout << "This program creates a gnuplot script of Betti numbers from a single persistence diagram file"
+    std::clog << "This program creates a gnuplot script of Betti numbers from a single persistence diagram file"
               << "(*.pers).\n"
               << "To run this program, please provide the name of a file with persistence diagram.\n"
               << "The second optional parameter of a program is the dimension of the persistence that is to be used. "
@@ -68,7 +68,7 @@ int main(int argc, char** argv) {
   out << std::endl;
   out.close();
 
-  std::cout << "To visualize, install gnuplot and type the command: gnuplot -persist -e \"load \'"
+  std::clog << "To visualize, install gnuplot and type the command: gnuplot -persist -e \"load \'"
             << gnuplot_script.str().c_str() << "\'\"" << std::endl;
 
   return 0;