update readme

README.md

-DSSP 4.0
+DSSP 4.3
 ========
 ========
 
 
 This is a rewrite of DSSP, now offering full mmCIF support. The difference
 This is a rewrite of DSSP, now offering full mmCIF support. The difference
 with previous releases of DSSP is that it now writes out an annotated mmCIF
 with previous releases of DSSP is that it now writes out an annotated mmCIF
-file by default, storing the secondary structure information in the 
+file by default, storing the secondary structure information in the
 _struct_conf category.
 _struct_conf category.
 
 
 Another new feature in this version of DSSP is that it now defines
 Another new feature in this version of DSSP is that it now defines
@@ -33,20 +33,15 @@ Make sure you install [libcif++](https://github.com/PDB-REDO/libcifpp) and [libm
 
 
 After that, building should be as easy as typing:
 After that, building should be as easy as typing:
 
 
-```
+```bash
 git clone https://github.com/PDB-REDO/dssp.git
 git clone https://github.com/PDB-REDO/dssp.git
 cd dssp
 cd dssp
 mkdir build
 mkdir build
-cd build
-cmake ..
-cmake --build . --config Release
-ctest -C Release
-cmake --install .
+cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
+cmake --build build
+cmake --install build
 ```
 ```
 
 
-This will install the `mkdssp` program in `$HOME/.local/bin`. If you want to
-install elsewhere, specify the prefix with the [CMAKE_INSTALL_PREFIX](https://cmake.org/cmake/help/v3.21/variable/CMAKE_INSTALL_PREFIX.html) variable.
-
 Usage
 Usage
 -----
 -----