diff --git a/generator/actions_core.ml b/generator/actions_core.ml
index 765a7feff..259ca9051 100644
--- a/generator/actions_core.ml
+++ b/generator/actions_core.ml
@@ -9046,8 +9046,7 @@ Trash all qgroup numbers and scan the metadata again with the current config." }
     ];
     shortdesc = "limit the size of a subvolume";
     longdesc = "\
-Limit the size of a subvolume which's path is C<subvolume>. C<size>
-can have suffix of G, M, or K. " };
+Limit the size of the subvolume with path C<subvolume>." };
 
   { defaults with
     name = "btrfs_qgroup_create"; added = (1, 29, 17);