diff --git a/eic_data.yaml b/eic_data.yaml
index 033705bd8ea217cf91e2b8eca4d9148803aca779..85fe58d3bec95719ece8ef265054876482a3c087 100644
--- a/eic_data.yaml
+++ b/eic_data.yaml
@@ -186,13 +186,13 @@ datatypes :
 
   eic::ReconstructedParticle:
     Description: "EIC Reconstructed Particle"
-    Author : "F.Gaede, B. Hegner"
+    Author : "W.Armstrong"
     Members:
-      - int type                       // Type of reconstructed particle.
-      - double energy                  // Energy of the reconstructed particle.
-      - std::array<double, 3> momentum // The reconstructed particle's 3-momentum
-      - float charge                   // The particle's charge
-      - double mass                    // The mass of the particle in [GeV]
+      - int pid                       // PID of reconstructed particle.
+      - double energy                 // Energy of the reconstructed particle.
+      - eic::VectorXYZ p              // three momentum.
+      - double charge                 // The particle's charge
+      - double mass                   // The mass of the particle in [GeV]
     OneToOneRelations:
       - eic::Vertex vertex             // The start vertex associated to this particle.
     OneToManyRelations: