diff --git a/src/App/Page/Zone.purs b/src/App/Page/Zone.purs
index 8ba54a0..8baa9fa 100644
--- a/src/App/Page/Zone.purs
+++ b/src/App/Page/Zone.purs
@@ -517,7 +517,8 @@ render state
           --  Just v  -> Bulma.box_input "vSPF" "Version" "spf1" (updateForm Field_SPF_v) v
           , Bulma.hr
           , Bulma.box_with_tag C.has_background_info_light tag_mechanisms
-            [ maybe (Bulma.p "You don't have any mechanism.") display_mechanisms state._currentRR.mechanisms
+            [ Bulma.div_content [] [Bulma.explanation [Bulma.p "Mechanisms specify which mail servers are allowed to send mail for the domain and how to evaluate the sending mail server’s IP address."] ]
+            , maybe (Bulma.p "You don't have any mechanism.") display_mechanisms state._currentRR.mechanisms
             , Bulma.hr
             , Bulma.h4 "New mechanism"
             , Bulma.selection_field "idMechanismQ" "Policy" SPF_Mechanism_q qualifier_types state.spf_mechanism_q
@@ -529,7 +530,8 @@ render state
             ]
           , Bulma.hr
           , Bulma.box_with_tag C.has_background_success_light tag_modifiers
-            [ maybe (Bulma.p "You don't have any modifier.") display_modifiers state._currentRR.modifiers
+            [ Bulma.div_content [] [Bulma.explanation [Bulma.p "Modifiers provide additional instructions, such as explanations for SPF failures or redirecting SPF checks to another domain."] ]
+            , maybe (Bulma.p "You don't have any modifier.") display_modifiers state._currentRR.modifiers
             , Bulma.hr
             , Bulma.h4 "New modifier"
             , Bulma.selection_field "idModifierT" "Modifier" SPF_Modifier_t modifier_types state.spf_modifier_t