add comment on $PICSRC

ComputationalRadiationPhysics · Feb 26, 2024 · e5583e6 · e5583e6
1 parent 5ba000b
commit e5583e6
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/share/picongpu/tests/KHI_growthRate/README.rst b/share/picongpu/tests/KHI_growthRate/README.rst
@@ -16,6 +16,8 @@ Usage
   $PICSRC/share/picongpu/tests/KHI_growthRate/bin/ci.sh $PICSRC/share/picongpu/tests/KHI_growthRate/ <user_given_output_directory>
 
 
+Please note that the test requires the environment variable ``$PICSRC``, which points to the PIConGPU source code.
+
 References
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