diff --git a/README.md b/README.md
index ecc5d93..254df05 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ It works best with `unicode-math`, but it can also be used with traditional math
 Run `l3build install` to install `luamml` into your local `texmf` tree.
 
 ## Demo
-Run `lualatex test_tex` to see all equations from [our example file](./text_tex.tex) converted into MathML. 
+Run `lualatex test_tex` to see all equations from [our example file](./test_tex.tex) converted into MathML. 
 
 To test it on your own files, add `\usepackage{luamml}` and `\tracingmathml=2` to your preamble.
 Also see a [`tagpdf` experiment using this to tag PDF formulas](https://github.com/u-fischer/tagpdf/blob/develop/experiments/exp-mathml-lua.tex).