diff --git a/README.md b/README.md
index f14498786c53221ea38f7053b0fbac9f6daa6e73..00a1e15a5bbbfc9a2473b22afd386822a09ccd47 100644
--- a/README.md
+++ b/README.md
@@ -8,10 +8,13 @@ I do not have a mac for testing, so this is limited to linux and windows.
 
 One can download the source, or perhaps there is a pre-built binary
 It can be built with or without graphics.
+
 ## Prerequisites
- - You must have go installed. I have only tried with go back to version 1.16. It may well build with earlier versions. It does expect support for `go.mod`.
+ - You must have go installed. I have only tried with go back to version 1.16. It may well build with earlier versions. It requires support for `go.mod`.
  - You need a C compiler and cgo for the graphics.
- - If you disable graphics, you do not need C or cgo, but cross compiling (linux-> windows) works.
+ - cross compiling from linux to windows is easy without graphics, but not much fun if you want graphics.
+ - native compilation under windows is painless
+
 
 ## Build
 
@@ -19,7 +22,7 @@ It can be built with or without graphics.
   cd ackley_mc
   go build .
 
-and you should end up with an executable called `ackley_mc` or `ackley_mc.exe` under windows.
+and you should end up with an executable called `ackley_mc` or `ackley_mc.exe` under windows. To build without graphics,
 
   git clone git@gitlab.rrz.uni-hamburg.de:Bae5157/ackley_mc.git
   cd ackley_mc
diff --git a/docs/uebung_ackley.docx b/docs/uebung_ackley.docx
index 1e5f34c36573b5488c3f94708042f931f406acd5..6fc47ea775ef77416c19d6aa73a288ffa1b93848 100644
Binary files a/docs/uebung_ackley.docx and b/docs/uebung_ackley.docx differ