improve got ref -d documentation: mention that objects won't be deleted ok jrick
diff --git a/got/got.1 b/got/got.1
index 5b538ec..a8b8837 100644
--- a/got/got.1
+++ b/got/got.1
@@ -972,6 +972,9 @@ Cannot be used together with any other options except
Delete the reference with the specified
.Ar name
from the repository.
+Any commit, tree, tag, and blob objects belonging to deleted references
+remain in the repository and may be removed separately with
+Git's garbage collector.
Cannot be used together with any other options except
.Fl r .
.El