Update README.md

README.md

@@ -15,8 +15,8 @@ Python 3.8.x, but because of the relatively simple nature of this software it
 should also work with most older versions. Furthermore it uses the additional
 modules summarized in
 [requirements.txt](https://gitext.gfz-potsdam.de/analab-code/rst-evaluation/blob/master/requirements.txt)
-which are installed using `pip` by calling `python3 -m pip install -r requirements.txt --no-cache --use-binary=:all:`.
-If you are using Windows you need to call: `python -m pip install -r requirements.txt --no-cache --use-binary=:all:`.
+which are installed using `pip` by calling `python3 -m pip install -r requirements.txt --no-cache --only-binary=:all:`.
+If you are using Windows you need to call: `python -m pip install -r requirements.txt --no-cache --only-binary=:all:`.
 
 To install this software simply download and extract, or git clone, it into
 your destination folder.