Update autoarray/structures/arrays/kernel_2d.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: Jammy2211

autoarray/structures/arrays/kernel_2d.py

@@ -862,7 +862,8 @@ def convolved_mapping_matrix_from(
 
         # -------------------------------------------------------------------------
         # Build native cube in the FFT dtype (THIS IS THE KEY)
-        # Requires mapping_matrix_native_from to accept dtype_native kwarg.
+        # This relies on mapping_matrix_native_from honoring the use_mixed_precision
+        # kwarg when constructing the native mapping matrix.
         # -------------------------------------------------------------------------
         mapping_matrix_native = self.mapping_matrix_native_from(
             mapping_matrix=mapping_matrix,