regenerated projects
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index a001370..7ec8a0e 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -769,7 +769,8 @@
 include/grpc++/grpc++.h \
 include/grpc++/impl/call.h \
 include/grpc++/impl/client_unary_call.h \
-include/grpc++/impl/codegen/server_interface.h include/grpc++/impl/codegen/channel_interface.h \
+include/grpc++/impl/codegen/channel_interface.h \
+include/grpc++/impl/codegen/server_interface.h \
 include/grpc++/impl/grpc_library.h \
 include/grpc++/impl/method_handler_impl.h \
 include/grpc++/impl/proto_utils.h \