diff --git a/spin/cmds/meson.py b/spin/cmds/meson.py
index adb8f47..350423c 100644
--- a/spin/cmds/meson.py
+++ b/spin/cmds/meson.py
@@ -168,7 +168,7 @@ def _get_configured_command(command_name):
 @click.option(
     "--coverage",
     is_flag=True,
-    help="Report coverage of project code. HTML output goes under build/coverage",
+    help="Generate coverage report of executed tests. HTML output goes under `build/coverage`.",
 )
 @click.pass_context
 def test(ctx, pytest_args, coverage=False):
@@ -243,12 +243,11 @@ def test(ctx, pytest_args, coverage=False):
 
     if coverage:
         coverage_dir = os.path.join(os.getcwd(), "build/coverage/")
-        print(f"Removing `{coverage_dir}`")
         if os.path.isdir(coverage_dir):
+            print(f"Removing `{coverage_dir}`")
             shutil.rmtree(coverage_dir)
         os.makedirs(coverage_dir)
-        pytest_args = [
-            *pytest_args,
+        pytest_args = pytest_args + [
             f"--cov-report=html:{coverage_dir}",
             f"--cov={package}",
         ]