diff --git a/doc/bugs/importtree_from_S3_slows_to_halt_even_with_prefix/comment_8_017cf9156e94b1587f1853504d6c2de1._comment b/doc/bugs/importtree_from_S3_slows_to_halt_even_with_prefix/comment_8_017cf9156e94b1587f1853504d6c2de1._comment
index e6b9800971..a361760605 100644
--- a/doc/bugs/importtree_from_S3_slows_to_halt_even_with_prefix/comment_8_017cf9156e94b1587f1853504d6c2de1._comment
+++ b/doc/bugs/importtree_from_S3_slows_to_halt_even_with_prefix/comment_8_017cf9156e94b1587f1853504d6c2de1._comment
@@ -20,4 +20,7 @@ oddly didn't save any memory.
 
 Memory profiling might let this be improved further, but needing 1 gb of
 memory to import a million changes to files doesn't seem too bad.
+
+Update: Did some memory profiling, nothing stuck out as badly wrong.
+Lists and tuples are using as much memory as anything.
 """]]