Update users_comments.md

AtsushiSakai · web-flow · commit 754256d15e07 · 2019-02-16T21:20:29.000+09:00
diff --git a/users_comments.md b/users_comments.md
@@ -138,6 +138,8 @@ Dear AtsushiSakai <br>Thank You
 
 so kind of you can you make videos of it.
 
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+
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 # Citations
