diff --git a/berggren_2body.jl b/p_space_2body.jl
similarity index 100%
rename from berggren_2body.jl
rename to p_space_2body.jl
diff --git a/berggren_3body.jl b/p_space_3body.jl
similarity index 100%
rename from berggren_3body.jl
rename to p_space_3body.jl
diff --git a/berggren_3body_resonance.jl b/p_space_3body_resonance.jl
similarity index 100%
rename from berggren_3body_resonance.jl
rename to p_space_3body_resonance.jl
diff --git a/test/3body_Berggren_orthogonality.jl b/test/3body_orthogonality.jl
similarity index 84%
rename from test/3body_Berggren_orthogonality.jl
rename to test/3body_orthogonality.jl
index 82aca8a..8d30445 100644
--- a/test/3body_Berggren_orthogonality.jl
+++ b/test/3body_orthogonality.jl
@@ -1,4 +1,4 @@
-include("../berggren_3body_resonance.jl")
+include("../p_space_3body_resonance.jl")
 
 @time "Eigenvectors" evals, evecs = eigs(H, sigma=target, maxiter=5000, tol=1e-5, ritzvec=true, check=1)