diff --git a/src/App/Page/Zone.purs b/src/App/Page/Zone.purs
index 8adbeb6..5b1e8c1 100644
--- a/src/App/Page/Zone.purs
+++ b/src/App/Page/Zone.purs
@@ -447,7 +447,7 @@ render state
             , Bulma.box_input "valueNewMechanismSPF" "Value" ""
                 SPF_Mechanism_v
                 state.spf_mechanism_v
-            , Bulma.btn "Add" SPF_Mechanism_Add
+            , Bulma.btn "Add a mechanism" SPF_Mechanism_Add
             ]
           , Bulma.hr
           , maybe (Bulma.p "no modifier") display_modifiers state._currentRR.modifiers
@@ -457,7 +457,7 @@ render state
             , Bulma.box_input "valueNewModifierSPF" "Value" ""
                 SPF_Modifier_v
                 state.spf_modifier_v
-            , Bulma.btn "Add" SPF_Modifier_Add
+            , Bulma.btn "Add a modifier" SPF_Modifier_Add
             ]
           , Bulma.hr
           , Bulma.box