diff --git a/diag_manager/fms_diag_axis_object.F90 b/diag_manager/fms_diag_axis_object.F90
index 7fd124669..135712219 100644
--- a/diag_manager/fms_diag_axis_object.F90
+++ b/diag_manager/fms_diag_axis_object.F90
@@ -1260,8 +1260,8 @@ subroutine define_new_axis(diag_axis, parent_axis, naxis, parent_id, &
                                                                                 !! the axis's global domain
     integer,                        optional, intent(out)   :: new_axis_id      !< Axis id of the axis this is creating
     real(kind=r4_kind),             optional, intent(in)    :: zbounds(2)       !< Bounds of the Z axis
-    integer,                        optional, intent(in)    :: nz_subaxis       !< The number of z subaxis that have been
-                                                                                !! defined in the file
+    integer,                        optional, intent(in)    :: nz_subaxis       !< The number of z subaxis that have
+                                                                                !! been defined in the file
 
     naxis = naxis + 1 !< This is the axis id of the new axis!