diff --git a/glib/garcbox.c b/glib/garcbox.c
index 6784f0057..0fa207c3f 100644
--- a/glib/garcbox.c
+++ b/glib/garcbox.c
@@ -155,7 +155,7 @@
  * G_DEFINE_AUTOPTR_CLEANUP_FUNC (MyDataStruct, my_data_struct_release)
  * ]|
  *
- * Since: 2.58.
+ * Since: 2.58
  */
 
 /**
diff --git a/glib/grcbox.c b/glib/grcbox.c
index 22a373b15..68bb73da7 100644
--- a/glib/grcbox.c
+++ b/glib/grcbox.c
@@ -159,7 +159,7 @@
  * G_DEFINE_AUTOPTR_CLEANUP_FUNC (MyDataStruct, my_data_struct_release)
  * ]|
  *
- * Since: 2.58.
+ * Since: 2.58
  */
 
 /* We use the same alignment as GTypeInstance and GNU libc's malloc */