From 7b8256fbcacb1920038dbadfd324ebb5d8577cae Mon Sep 17 00:00:00 2001
From: Maximilian Reininghaus <maximilian.reininghaus@tu-dortmund.de>
Date: Wed, 13 May 2020 17:31:49 +0200
Subject: [PATCH] better output

---
 Documentation/Examples/vertical_EAS.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/Examples/vertical_EAS.cc b/Documentation/Examples/vertical_EAS.cc
index b974b1b5c..e7e64a679 100644
--- a/Documentation/Examples/vertical_EAS.cc
+++ b/Documentation/Examples/vertical_EAS.cc
@@ -76,7 +76,7 @@ void registerRandomStreams() {
 
 int main(int argc, char** argv) {
   if (argc != 4) {
-    std::cerr << "must provide A, Z, energy" << std::endl;
+    std::cerr << "usage: vertical_EAS <A> <Z> <energy/GeV>" << std::endl;
     return 1;
   }
   feenableexcept(FE_INVALID);
-- 
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