Fix typo in README.md file

README.md

@@ -43,7 +43,7 @@ A __Date__ class comes with this submodule, which you can use to represent a dat
 - modularization has been improved by restructuring library files, which would result into having submodules - __there is no central header or binary file anymore__ - instead submodules can be linked independently now (e.g. using __ls_std_event.hpp__ and linking __libls_std_event.so__)
 - there is a cmake guard now to ensure that only one goal at the time is being build
 - test suites for shared libraries have been introduced to ensure that building and linking created shared library is working
-- namespaces have been improved library wide and are more specific - __there is no _ls_std_ namespace anymore__ - instead you can choose submodule specific namespaces (e.g. _ls::std::boxing::_)
+- namespaces have been improved library wide and are more specific - __there is no ls\_std namespace anymore__ - instead you can choose submodule specific namespaces (e.g. _ls::std::boxing::_)
 - GoogleTest framework has been upgraded to 1.11.0
 
 #### Fixes ####