diff --git a/README.md b/README.md
index 3714db4bd46c9eda233b76ddec498c2038ffedc5..2212243ad28f38107be50feebdb2bdb06dc6221c 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,10 @@ before the ```\begin{document}```, include this file using:
 
 ```\input{ch-tikz.tex}```
 
+To keep this up-to-date you should probably add this repository as a
+submodule to your git-repository and then make a relative link to it
+in the ```\input``` command above.
+
 ## Documentation
 
 In the ```ch-tikz.tex``` file all the macros are commented, this