diff --git a/README.md b/README.md
index 4ce82c3..97e98a0 100644
--- a/README.md
+++ b/README.md
@@ -110,7 +110,7 @@ The version file is only updated upon install or build. Thus the version number
 
 **Note:** only Git is supported
 
-The [metadata hook plugin](https://hatch.pypa.io/latest/plugins/metadata-hook/reference/) name is `vcs`.
+The [metadata hook plugin](https://hatch.pypa.io/latest/plugins/metadata-hook/reference/) is for inserting VCS data (currently the commit hash) into metadata fields other than `version`. Its name is `vcs`.
 
 - ***pyproject.toml***