diff --git a/libuavcan/dsdl_compiler/libuavcan_dsdl_compiler/data_type_template.tmpl b/libuavcan/dsdl_compiler/libuavcan_dsdl_compiler/data_type_template.tmpl
index 0c4ed5ee47..86d5e60040 100644
--- a/libuavcan/dsdl_compiler/libuavcan_dsdl_compiler/data_type_template.tmpl
+++ b/libuavcan/dsdl_compiler/libuavcan_dsdl_compiler/data_type_template.tmpl
@@ -116,6 +116,7 @@ struct ${t.cpp_type_name}
     bool operator!=(ParameterType rhs) const { return !operator==(rhs); }
     bool operator==(ParameterType rhs) const
     {
+        // TODO: Proper float comparison.
 % if fields:
         return
     % for idx,a in enumerate(fields):