Fix photon species error message (#1681)

1 files changed, 1 insertions, 1 deletions

diff --git a/Source/Particles/MultiParticleContainer.cpp b/Source/Particles/MultiParticleContainer.cpp
index 931825d3c..5a09c30df 100644
--- a/Source/Particles/MultiParticleContainer.cpp
+++ b/Source/Particles/MultiParticleContainer.cpp
@@ -228,7 +228,7 @@ MultiParticleContainer::ReadParameters ()
                     WarpXUtilMsg::AlwaysAssert(
                         it != species_names.end(),
                         "ERROR: species '" + name
-                        + "' in particles.rigid_injected_species must be part of particles.species_names"
+                        + "' in particles.photon_species must be part of particles.species_names"
                     );
                     int i = std::distance(species_names.begin(), it);
                     species_types[i] = PCTypes::Photon;