Simplify the option descriptions

Author: hirrolot

README.md

@@ -60,8 +60,8 @@ target_link_libraries(MyProject smolrtsp)
 
 ### Options
 
- - If you want to build a shared library, enable the compile-time CMake option `SMOLRTSP_SHARED`; otherwise, SmolRTSP will be compiled as a static library.
- - If you want to see full macro expansion backtraces, enable `SMOLRTSP_FULL_MACRO_EXPANSION`. (Although this is not recommended because SmolRTSP relies on some heavy macro machinery.)
+ - Enable `SMOLRTSP_SHARED` to build a shared library. By default, SmolRTSP is built as a static library.
+ - Enable `SMOLRTSP_FULL_MACRO_EXPANSION` to see full macro expansion backtraces. (Although this is not recommended because SmolRTSP relies on some heavy macro machinery.)
 
 ## Usage