diff --git a/include/scalfmm/tree/utils.hpp b/include/scalfmm/tree/utils.hpp
index 02746330ad1ffce69e34a09b646e4ee6ccacacdf..e77a163c1ae6d9fda33ed99c727aa03ab1cf45ff 100644
--- a/include/scalfmm/tree/utils.hpp
+++ b/include/scalfmm/tree/utils.hpp
@@ -86,7 +86,7 @@ namespace scalfmm::index
         constexpr static const std::size_t Dim = PositionType::dimension;
         using dim_t = std::size_t;
 
-        // we set double rather than    typename Position::value_type for a better accuracy
+        // we set double type rather than Position::value_type for a better accuracy
         double cell_width = box.width(0) / (static_cast<IndexType>(1) << level);
         std::array<IndexType, Dim> coords{};