diff --git a/doc/todo/add_xxHash_backend/comment_1_8993f493a8b43ffda9f8e0b6d5e186ac._comment b/doc/todo/add_xxHash_backend/comment_1_8993f493a8b43ffda9f8e0b6d5e186ac._comment
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+[[!comment format=mdwn
+ username="joey"
+ subject="""comment 1"""
+ date="2020-01-06T19:30:43Z"
+ content="""
+I looked at xxHash recently. I can't seem to find benchmarks of it compared
+with other fast hashes like Blake2.
+"""]]