diff --git a/Algorithms/ParticleGun/include/ACTFW/ParticleGun/ParticleGunOptions.hpp b/Algorithms/ParticleGun/include/ACTFW/ParticleGun/ParticleGunOptions.hpp
index 4dce54c69f4287d0d26072daf696b39e992b0dc2..739ac8e79542545c3cd2d17fb88a0f3fab26431e 100644
--- a/Algorithms/ParticleGun/include/ACTFW/ParticleGun/ParticleGunOptions.hpp
+++ b/Algorithms/ParticleGun/include/ACTFW/ParticleGun/ParticleGunOptions.hpp
@@ -46,19 +46,24 @@ namespace Options {
         "flip the charge (and change PDG accordingly).")(
         "pg-d0range",
         po::value<read_range>()->multitoken()->default_value({0., 0.}),
-        "range in which the d0 parameter is simulated in [mm].")(
+        "range in which the d0 parameter is simulated in [mm]. Please hand"
+        "over by simply seperating the values by space")(
         "pg-z0range",
         po::value<read_range>()->multitoken()->default_value({0., 0.}),
-        "range in which the z0 parameter is simulated in [mm].")(
+        "range in which the z0 parameter is simulated in [mm]. Please hand"
+        "over by simply seperating the values by space")(
         "pg-phirange",
         po::value<read_range>()->multitoken()->default_value({-M_PI, M_PI}),
-        "range in which the phi0 parameter is simulated.")(
+        "range in which the phi0 parameter is simulated. Please hand over by "
+        "simply seperating the values by space")(
         "pg-etarange",
         po::value<read_range>()->multitoken()->default_value({-4., 4.}),
-        "range in which the eta parameter is simulated.")(
+        "range in which the eta parameter is simulated. Please hand over by "
+        "simply seperating the values by space")(
         "pg-ptrange",
         po::value<read_range>()->multitoken()->default_value({100., 1e5}),
-        "range in which the pt in [MeV] parameter is simulated.");
+        "range in which the pt in [MeV] parameter is simulated. Please hand "
+        "over by simply seperating the values by space");
   }
 
   /// read the particle gun options and return a Config file
diff --git a/Algorithms/ReadEvgen/include/ACTFW/ReadEvgen/ReadEvgenOptions.hpp b/Algorithms/ReadEvgen/include/ACTFW/ReadEvgen/ReadEvgenOptions.hpp
index bf7025ff8dcaa262f80c9daf3eb319623b4be5ce..93fd375bc257d76d30ade2e55c228a93233f181d 100644
--- a/Algorithms/ReadEvgen/include/ACTFW/ReadEvgen/ReadEvgenOptions.hpp
+++ b/Algorithms/ReadEvgen/include/ACTFW/ReadEvgen/ReadEvgenOptions.hpp
@@ -32,10 +32,12 @@ namespace Options {
         "Number of instantaneous pile-up events.")(
         "evg-vertex-xyrange",
         po::value<read_range>()->multitoken()->default_value({0., 0.015}),
-        "transverse range of the vertex in xy.")(
+        "transverse range of the vertex in xy. Please hand over by simply "
+        "seperating the values by space")(
         "evg-vertex-zrange",
         po::value<read_range>()->multitoken()->default_value({0., 5.5}),
-        "transverse range of the vertex in z.");
+        "transverse range of the vertex in z.  Please hand over by simply "
+        "seperating the values by space");
   }
 
   /// read the evgen options and return a Config file
@@ -60,4 +62,4 @@ namespace Options {
 }
 }
 
-#endif  // ACTFW_OPTIONS_EVGENOPTIONS_HPP
\ No newline at end of file
+#endif  // ACTFW_OPTIONS_EVGENOPTIONS_HPP