message: added 1 more clarification to the docs from the previous 1-2 commits
diff: @@ -90,6 +90,8 @@ There will be proper support for this in the future. For now there are 2 ways of
  4
  ```
  + The big limitation of this approach is that the macro cannot be used with other subcases at the same code block {} indentation level (will act weird) - it can only be used within a subcase.
  +
  The ```static std::vector<std::string>``` is necessary because the ```SUBCASE()``` macro accepts ```const char*``` and doesn't copy the strings but keeps the pointers internally - that's why we need to construct persistent versions of the strings. This might be changed in the future (to accept a string class) for ease of use...
  Stay tuned for proper value-parameterization in doctest!
  