@@ -7,12 +7,12 @@ A C++/Qt6 application to plot and compare PDF sets using the `neopdf` library.
 - A C++ compiler (g++, clang, msvc)
 - CMake (version 3.16 or higher)
 - Qt6 (including the Charts module)
-- Rust toolchain (for building the `neopdf_capi`)
 
 ## How to Build
 
 1.  **Configure with CMake:**
-    From the `neopdf_gui` directory, run:
+    First, specify the path where the NeoPDf C/C++-API is installed with the variable `CARGO_C_INSTALL_PREFIX`.
+    Then from the `neopdf_gui` directory, run:
     ```bash
     cmake -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=/usr/local/Cellar/qt/6.9.1/lib/cmake/Qt6
     ```