diff --git a/ansys/api/additive/v0/about.proto b/ansys/api/additive/v0/about.proto
index c22251a..5757ea7 100644
--- a/ansys/api/additive/v0/about.proto
+++ b/ansys/api/additive/v0/about.proto
@@ -7,15 +7,14 @@ import "google/api/annotations.proto";
 import "google/protobuf/empty.proto";
 
 
-// The greeting service definition.
-service About {
-  rpc About (google.protobuf.Empty) returns (AboutReply) {
+service AboutService {
+  rpc About (google.protobuf.Empty) returns (AboutResponse) {
     option (google.api.http) = {
       get: "/about"
     };
   }
 }
 
-message AboutReply {
+message AboutResponse {
     map<string, string> metadata = 1;
 }
\ No newline at end of file
diff --git a/ansys/api/additive/v0/additive_simulation.proto b/ansys/api/additive/v0/additive_simulation.proto
index 2886bf2..41096be 100644
--- a/ansys/api/additive/v0/additive_simulation.proto
+++ b/ansys/api/additive/v0/additive_simulation.proto
@@ -7,8 +7,6 @@ option csharp_namespace = "Ansys.Api.Additive.Simulation";
 
 import "ansys/api/additive/v0/additive_domain.proto";
 
-// Units are SI unless otherwise noted
-
 service SimulationService {
 	rpc Simulate(SimulationRequest) returns (stream SimulationResponse);
 	rpc UploadFile(stream UploadFileRequest) returns (stream UploadFileResponse);
diff --git a/run_protoc.sh b/run_protoc.sh
index 8a39f39..4811587 100644
--- a/run_protoc.sh
+++ b/run_protoc.sh
@@ -4,4 +4,5 @@ rm -rf ${outdir}
 mkdir -p ${outdir}
 python -m grpc_tools.protoc --python_out=${outdir} --grpc_python_out=${outdir} -I. ansys/api/additive/v0/*.proto
 echo "protobuf interface files written to ${outdir}"
+dotnet clean csharp/*.csproj
 dotnet build csharp/*.csproj
\ No newline at end of file