diff --git a/doc/README_SETUP.md b/doc/README_SETUP.md
index 6b950a7f0d9c6a5c83794aa06f297417110f0391..e15aa78f76852e4776d9f559a201c513deb05d7f 100644
--- a/doc/README_SETUP.md
+++ b/doc/README_SETUP.md
@@ -88,7 +88,7 @@ standard manually by `conan install .. [other options] -s
 For the tests there is a slightly different setup required (with option `-D CMAKE_BUILD_TYPE=Debug`)
 
 1. `mkdir build && cd build/`
-2. `conan install .. -s "compiler.libcxx=libstdc++11"` (on MacOS: ` -s compiler.cppstd=17`)
+2. `conan install .. ` (with gcc, append ` -s "compiler.libcxx=libstdc++11"`, with apple-clang, append ` -s compiler.cppstd=17`)
 3. `cmake -B . -D CMAKE_BUILD_TYPE=Debug ..`
    * If your clang-format version is too old, formatting, linting etc. can be skipped:
 	 `cmake -B . -D CMAKE_BUILD_TYPE=Debug -D SKIP_LINTING=ON ..`