diff --git a/Tests/GroupTree/testBlockedUnifCuda.cpp b/Tests/GroupTree/testBlockedUnifCuda.cpp
index 288f8472edcd9a2c7539ba3961e54790de62cf3a..4517f48d84e4bf241a7531c7ec3eb63fe4468b67 100644
--- a/Tests/GroupTree/testBlockedUnifCuda.cpp
+++ b/Tests/GroupTree/testBlockedUnifCuda.cpp
@@ -56,7 +56,7 @@ class FUnifCuda;
 int main(int argc, char* argv[]){
     const FParameterNames LocalOptionBlocSize { {"-bs"}, "The size of the block of the blocked tree"};
     const FParameterNames LocalOptionNoValidate { {"-no-validation"}, "To avoid comparing with direct computation"};
-    FHelpDescribeAndExit(argc, argv, "Test the blocked tree by counting the particles.",
+    FHelpDescribeAndExit(argc, argv, "Perform Lagrange Kernel based simulation with CUDA+StarPU.",
                          FParameterDefinitions::OctreeHeight,
 #ifdef RANDOM_PARTICLES
                          FParameterDefinitions::NbParticles,
diff --git a/Tests/GroupTree/testBlockedUniform.cpp b/Tests/GroupTree/testBlockedUniform.cpp
index 29c3535df9fb6c34ed80eee8e27b98226b27bef9..c51089dc8ef8a5ebe3f8947949ca9c536250c8d1 100644
--- a/Tests/GroupTree/testBlockedUniform.cpp
+++ b/Tests/GroupTree/testBlockedUniform.cpp
@@ -48,7 +48,7 @@
 int main(int argc, char* argv[]){
     const FParameterNames LocalOptionBlocSize { {"-bs"}, "The size of the block of the blocked tree"};
     const FParameterNames LocalOptionNoValidate { {"-no-validation"}, "To avoid comparing with direct computation"};
-    FHelpDescribeAndExit(argc, argv, "Test the blocked tree by counting the particles.",
+    FHelpDescribeAndExit(argc, argv, "Perform Lagrange Kernel based simulation with StarPU",
                          FParameterDefinitions::OctreeHeight,
 #ifdef RANDOM_PARTICLES
                          FParameterDefinitions::NbParticles,