diff --git a/opening-hdf5/README.md b/opening-hdf5/README.md
index 301bc25..44aca1b 100644
--- a/opening-hdf5/README.md
+++ b/opening-hdf5/README.md
@@ -11,7 +11,6 @@ interactive-track-and-trace/
 ```
 
 ## Compiling
-Makes use of `mdspan` which is not supported by GCC libstdc++ at time of writing. See [compiler support](https://en.cppreference.com/w/cpp/compiler_support/23) for `mdspan`.
 Let the current directory be the `src` directory. Run:
 ```shell
 mkdir build
@@ -19,3 +18,7 @@ cd build
 cmake ..
 make
 ```
+
+### Building with Linux
+Makes use of `mdspan` which is not supported by GCC libstdc++ at time of writing. See [compiler support](https://en.cppreference.com/w/cpp/compiler_support/23) for `mdspan`. Probably you will need to install Clang libc++.
+
diff --git a/opening-hdf5/src/CMakeLists.txt b/opening-hdf5/src/CMakeLists.txt
index 07d1489..aad0646 100644
--- a/opening-hdf5/src/CMakeLists.txt
+++ b/opening-hdf5/src/CMakeLists.txt
@@ -6,7 +6,7 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
-find_package(netCDF REQUIRED)
+# find_package(netCDF REQUIRED)
 
 add_executable(ReadHDF5 main.cpp)
 
diff --git a/opening-hdf5/src/main.cpp b/opening-hdf5/src/main.cpp
index 691e160..68e0ee8 100644
--- a/opening-hdf5/src/main.cpp
+++ b/opening-hdf5/src/main.cpp
@@ -91,6 +91,7 @@ int main () {
 
   auto [vec, size] = get3DMat<double>(vars.find("uo")->second);
 
+
   auto arr = std::mdspan(vec.data(), size);
 
   print3DMatrixSlice(arr, 100);