diff --git a/README.md b/README.md
index 21a181c..5dcfd63 100644
--- a/README.md
+++ b/README.md
@@ -297,10 +297,13 @@ An attempt to establish a list of falsehoods about testing.
 - [Big List of Naughty
 Strings](https://github.com/minimaxir/big-list-of-naughty-strings) - Challenge
 your assumptions about strings.
+- [Popular misconceptions about mtime](https://apenwarr.ca/log/20181113) - Part
+of a post on why file mtime comparison could be considered harmful.
 - [Falsehoods About
 Pagination](https://www.hezmatt.org/~mpalmer/blog/2018/12/12/falsehoods-programmers-believe-about-pagination.html) - 
 Why your pagination algorithm is giving someone (possibly you) a headache.
 
+
 ## Typography
 
 - [Falsehoods About Fonts](https://github.com/RoelN/Font-Falsehoods) -