1 files changed, 2 insertions, 2 deletions
diff --git a/src/Persistence_representations/utilities/persistence_heat_maps/plot_persistence_heat_map.cpp b/src/Persistence_representations/utilities/persistence_heat_maps/plot_persistence_heat_map.cpp
index cf6e07cb..87cc97d1 100644
--- a/src/Persistence_representations/utilities/persistence_heat_maps/plot_persistence_heat_map.cpp
+++ b/src/Persistence_representations/utilities/persistence_heat_maps/plot_persistence_heat_map.cpp
@@ -17,10 +17,10 @@ using constant_scaling_function = Gudhi::Persistence_representations::constant_s
 using Persistence_heat_maps = Gudhi::Persistence_representations::Persistence_heat_maps<constant_scaling_function>;
 
 int main(int argc, char** argv) {
-  std::cout << "This program creates a gnuplot script from a persistence heat maps stored in a file (the file needs "
+  std::clog << "This program creates a gnuplot script from a persistence heat maps stored in a file (the file needs "
             << "to be created beforehand). Please call the code with the name of a single heat maps file \n";
   if (argc != 2) {
-    std::cout << "Wrong parameter list, the program will now terminate \n";
+    std::clog << "Wrong parameter list, the program will now terminate \n";
     return 1;
   }
   Persistence_heat_maps l;