Update README.md

README.md

@@ -75,7 +75,7 @@ Produce a HTML list of caches given their OC codes.
 
 To compile it requires:
 
-*   C++ compliler supporting C++17 and a minor subset of C++20 (e.g. GCC-9 or Clang-8).
+*   C++ compliler supporting C++17 and a minor subset of C++20 (gcc >=9 or clang =>8 should be enough).
 *   meson (at least 0.47.0) + ninja build system
 *   libcurl: https://curl.haxx.se/libcurl/
 *   JSON for Modern C++: https://github.com/nlohmann/json
@@ -84,7 +84,16 @@ To compile it requires:
 *   ImageMagick or GraphicsMagick Magick++ library
 
 To build the project copy `config_user_example.h` to `config_user.h` and fill it out (at least API key is needed). Then
-run `meson build; cd build; ninja`. You might need to set `CXX` variable to point to a correct compiler.
+run 
+
+```
+meson build
+cd build
+ninja
+ninja install
+```
+
+You might need to set `CXX` variable to point to a correct compiler.
 
 # Credits