diff --git a/build/release/cli.py b/build/release/cli.py
index 752a0f6..74bf622 100644
--- a/build/release/cli.py
+++ b/build/release/cli.py
@@ -182,7 +182,9 @@ def _cmd_github(argv: list[str]) -> int:
         prog="build/run.py release github",
         description="Sync orisys-sdk-release, tag, and publish a GitHub Release.",
     )
-    parser.add_argument("--version", required=True, help="release version, e.g. 0.5.2")
+    parser.add_argument(
+        "--version", required=True, help="release version, e.g. <major>.<minor>.<patch>"
+    )
     parser.add_argument(
         "--apply",
         action="store_true",
@@ -329,7 +331,9 @@ def _cmd_pypi(argv: list[str]) -> int:
         prog="build/run.py release pypi",
         description="Upload the certified wheels to TestPyPI and then PyPI.",
     )
-    parser.add_argument("--version", required=True, help="release version, e.g. 0.5.2")
+    parser.add_argument(
+        "--version", required=True, help="release version, e.g. <major>.<minor>.<patch>"
+    )
     parser.add_argument(
         "--apply",
         action="store_true",