diff --git a/photon-targeting/src/main/proto/photon_types.proto b/photon-targeting/src/main/proto/photon_types.proto
index 3ffa9ea810..9f3a56a2ac 100644
--- a/photon-targeting/src/main/proto/photon_types.proto
+++ b/photon-targeting/src/main/proto/photon_types.proto
@@ -1,27 +1,44 @@
+/*
+ * Copyright (C) Photon Vision.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 syntax = "proto3";
 
 package photonvision.proto;
 
-option java_package = "org.photonvision.proto";
-
 import "geometry3d.proto";
 
+option java_package = "org.photonvision.proto";
+
 message ProtobufTargetCorner {
   double x = 1;
   double y = 2;
 }
 
 message ProtobufPNPResult {
-  bool isPresent = 1;
+  bool is_present = 1;
   wpi.proto.ProtobufTransform3d best = 2;
-  double bestReprojErr = 3;
+  double best_reproj_err = 3;
   optional wpi.proto.ProtobufTransform3d alt = 4;
-  optional double altReprojErr = 5;
+  optional double alt_reproj_err = 5;
   double ambiguity = 6;
 }
 
 message ProtobufMultiTargetPNPResult {
-  ProtobufPNPResult estimatedPose = 1;
+  ProtobufPNPResult estimated_pose = 1;
   repeated int32 fiducial_ids_used = 2;
 }
 
@@ -30,12 +47,12 @@ message ProtobufPhotonTrackedTarget {
   double pitch = 2;
   double area = 3;
   double skew = 4;
-  int32 fiducialId = 5;
-  wpi.proto.ProtobufTransform3d bestCameraToTarget = 6;
-  wpi.proto.ProtobufTransform3d altCameraToTarget = 7;
+  int32 fiducial_id = 5;
+  wpi.proto.ProtobufTransform3d best_camera_to_target = 6;
+  wpi.proto.ProtobufTransform3d alt_camera_to_target = 7;
   double poseAmbiguity = 8;
-  repeated ProtobufTargetCorner minAreaRectCorners = 9;
-  repeated ProtobufTargetCorner detectedCorners = 10;
+  repeated ProtobufTargetCorner min_area_rect_corners = 9;
+  repeated ProtobufTargetCorner detected_corners = 10;
 }
 
 message ProtobufPhotonPipelineResult {