Small rewording in build-from-source section

README.md

@@ -142,10 +142,8 @@ find_package(util_caching REQUIRED)
 <details>
 <summary>Building from source using CMake</summary>
 
-First make sure all dependencies are installed:
-- [Googletest](https://github.com/google/googletest) (only if you want to build unit tests)
-
-See also the [`Dockerfile`](./Dockerfile) for how to install these packages under Debian or Ubuntu.
+If you want to also build the unit tests (see the Development section of this README for detailed instructions), make sure to have [Googletest](https://github.com/google/googletest) installed.
+See also the [`Dockerfile`](./Dockerfile) for how to install this package under Debian or Ubuntu.
 
 Compile and install the project with CMake:
 
@@ -165,8 +163,7 @@ sudo cmake --install .
 <details>
 <summary>Using Docker image</summary>
 
-Follow the steps above to setup the Docker image.
-Then, run the development image.
+To start a development container, run:
 
 ```bash
 docker compose run --rm --build util_caching_devel