Update README.md

README.md

@@ -8,7 +8,7 @@ Very fast, header-only/statically-compiled, C++ logging library. [![Build Status
 #### Header only version
 * Copy the source [folder](https://github.com/gabime/spdlog/tree/v1.x/include/spdlog) to your build tree and use a C++11 compiler.
 
-#### Static lib version (recommended - much faster compile times)
+#### Static lib version (recommended - much faster compile times, v1.4.0)
 * Copy [src/spdlog.cpp](https://github.com/gabime/spdlog/blob/v1.x/src/spdlog.cpp) to your build tree and pass the `-DSPDLOG_COMPILED_LIB` to the compiler.
 * Or use CMake to build and use. See [example](https://github.com/gabime/spdlog/blob/v1.x/example/CMakeLists.txt).