Update README.md

README.md

@@ -107,6 +107,8 @@ Just call `evaluate.sh` with the set you want to evaluate on to evaluate the mos
 $ bash evaluate.sh development
 ```
 
+`evaluate.sh` removes every absinth-file from the output directory, so make sure every target word has been merged before evaluating.
+
 ## Built With
 
 * [NetworkX](https://networkx.github.io/) - Graph implementation