diff --git a/libgimp/gimpitem_pdb.c b/libgimp/gimpitem_pdb.c
index d7e720c2ae..5caefac553 100644
--- a/libgimp/gimpitem_pdb.c
+++ b/libgimp/gimpitem_pdb.c
@@ -263,7 +263,7 @@ gimp_item_id_is_layer_mask (gint item_id)
  *
  * Returns: TRUE if the item ID is a selection, FALSE otherwise.
  *
- * Since: 3,0
+ * Since: 3.0
  **/
 gboolean
 gimp_item_id_is_selection (gint item_id)
diff --git a/pdb/groups/item.pdb b/pdb/groups/item.pdb
index a5837818f5..f8f808961a 100644
--- a/pdb/groups/item.pdb
+++ b/pdb/groups/item.pdb
@@ -216,7 +216,7 @@ This procedure returns TRUE if the specified item ID is a selection.
 HELP
 
     &std_pdb_misc;
-    $since = '3,0';
+    $since = '3.0';
 
     @inargs = (
 	{ name => 'item_id', type => 'int32',