diff --git a/README.md b/README.md
index b87511c64a32cad32189c5b3b7e1b95f09bd1b2d..e658c9e3dc18ff5dca6425a2c2d3400369062e23 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 Shape optimization for interior Neumann eigenvalues.
 
-Documentation in /doc (LaTeX source) or /doc/final (pdf).
+Documentation in /doc (LaTeX source) or /doc/final (pdf). The make file is a bit improvised, so adaptions may be necessary if not running on FZJ/JSC internal systems (e.g. JURECA)
 
 project structure:
 * main directory: build scripts, entry point source code