Update README.md

Co-authored-by: Corentin Schreiber <[email protected]>

README.md

@@ -65,7 +65,7 @@ The goal of _snitch_ is to be a simple, cheap, non-invasive, and user-friendly t
  - Additional API not in _Catch2_, or different from _Catch2_:
    - Matchers use a different API (see [Matchers](#matchers) below).
    - Additional macros for testing [`constexpr`](#run-time-and-compile-time) and [`consteval`](#compile-time) expressions.
-- Can be disabled at build time. As a side effect, this will reduce the size of the executable, as most, if not all, the Snitch symbols will be removed by the compiler and/or linker (especially when LTO is enabled).
+- Can be disabled at build time, to allow mixing code and tests in the same file with minimal overheads.
 
 If you need features that are not in the list above, please use _Catch2_ or _doctest_.