diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 00000000..cf8dae6c
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1 @@
+include mace/py.typed
diff --git a/mace/py.typed b/mace/py.typed
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/mace/py.typed
@@ -0,0 +1 @@
+
diff --git a/mace/tools/arg_parser.py b/mace/tools/arg_parser.py
index 1eb033be..2b0e2b56 100644
--- a/mace/tools/arg_parser.py
+++ b/mace/tools/arg_parser.py
@@ -134,7 +134,7 @@ def build_default_arg_parser() -> argparse.ArgumentParser:
     )
     parser.add_argument(
         "--pair_repulsion",
-        help="use amsgrad variant of optimizer",
+        help="use pair repulsion term with ZBL potential",
         action="store_true",
         default=False,
     )