docs: fix readme wording [skip ci]

Author: aminya

README.md

@@ -24,7 +24,7 @@ Setting up a **cross-platform** environment for building and testing C++/C proje
 | coverage              | gcovr, opencppcoverage, kcov                                 |
 | other                 | python, powershell, sevenzip                                 |
 
-`setup-cpp` automatically installs the dependencies above tools if needed for the selected tool (e.g., `python` is required for `conan`).
+`setup-cpp` automatically handles the dependencies of the selected tool (e.g., `python` is required for `conan`).
 
 ## Usage