diff --git a/source/zooms.rst b/source/zooms.rst
index 5e6485efdf3565679815f6f946fa1f02c76d1df0..f4077ea5a6ad919df95a150c02fd024b53732f4f 100644
--- a/source/zooms.rst
+++ b/source/zooms.rst
@@ -407,16 +407,17 @@ parcels being able to transit from one grid to another, which has not been imple
 The missing functionalities are grouped in the table below according to their use on the 
 root or on the child grid.
 
-============================================  =====  ======
-  Option name (and flag)                          Grid
---------------------------------------------  -------------
+============================================  =====  ======  ===========
+  Option name (and flag)                          Grid        avail. in 
+--------------------------------------------  -------------  -----------
 \                                              Root   Child
-============================================  =====  ======
+============================================  =====  ======  ===========
 Timing (``ln_timing=T``)                        No
-Icebergs(``ln_icebergs=T``)                     No
-Floats(``ln_floats=T``)                         No
+Icebergs (``ln_icebergs=T``)                    No
+Under ice cavities (``ln_isf=T``)               No     No
+Floats (``ln_floats=T``)                        No
 Stochastic param. (``ln_sto_XXX=T``)            No
-Global volume ctl (``nn_fwb=1/2``)              No
+Global volume ctl (``nn_fwb=1/2``)              No              main
 Open boundaries (``ln_bdy=T``)                 Yes     No
 Global heat and sal budgets (``ln_diahsb``)     No
-============================================  =====  ======
+============================================  =====  ======  ===========