message: minor: document how to have multiple paths in CMAKE_PREFIX_PATH
diff: @@ -145,6 +145,9 @@ cmake -DCMAKE_BUILD_TYPE=Release \
  -DCMAKE_PREFIX_PATH=/your/cdriver/prefix ..
  ```
  +- *Note*: If you need multiple paths in `CMAKE_PREFIX_PATH`, separate them with
  + a semicolon like this: `-DCMAKE_PREFIX_PATH="/your/cdriver/prefix;/some/other/path"`
  +
  - Users building `mongocxx` versions 3.1.x and 3.0.x should specify the
  `libmongoc` installation directory by using the `-DLIBMONGOC_DIR` and
  `-DLIBBSON_DIR` options to `cmake`. See the following example, which
  