DOC: some additional docs for building

README_SETUP.md

@@ -12,9 +12,9 @@ We use [cmake](https://cmake.org) as build tool.
 
 #### protobufConfig.cmake not found
 
-If you encounter something like `PprotobufConfig.cmake` when doing
-`cmake ..` your system doesn't have the gRPC library installed at all
-or your installation doesn't have the required `ProtobufConfig.cmake`
+If you encounter something like `protobufConfig.cmake not found` when doing
+`cmake -B . ..` your system doesn't have the gRPC library installed at all
+or your installation doesn't have the required `protobufConfig.cmake`
 file. In this case you can install grpcc manually by cloning the
 repository and its submodules nad building it from the sources:
 
@@ -55,8 +55,8 @@ make -j3
 make install
 ```
 
-As above, it may make sens to specify a `CMAKE_INSTALL_PREFIX` in
-order to not interfere with system-wide installations. 
+As above, it may make sense to specify a `CMAKE_INSTALL_PREFIX` in
+order to not interfere with system-wide installations.
 
 You may have to repeat this for other submodules that haven't been
 installed correctly by `make install` of `grpc`.
@@ -81,7 +81,7 @@ Depending on your gtest installation, there may be warnings treated as
 errors during the above build command, e.g., a
 `-Werror=maybe-uninitialized` in
 `caosdb-cpplib-new/build/_deps/googletest-src/googletest/src/gtest-death-test.cc`. In
-that case, suprress the corresponding warning by adding
+that case, suppress the corresponding warning by adding
 `-DCMAKE_CXX_FLAGS="-Wno-maybe-uninitialized"` to the cmake command in 2.
 
 ### Framework
@@ -105,7 +105,8 @@ The coverage report can be viewed in a browser by opening
 
 ## Code Formatting
 
-* `clang-format -i --verbose **/*.cpp **/*.h`
+* install clang-format on your system.
+* `clang-format -i --verbose $(find test/ src/ include/ -type f -iname "*.cpp" -o -iname "*.h" -o -iname "*.h.in")`
 
 ## Documentation