diff --git a/wizard/expression_builder.py b/wizard/expression_builder.py
index 208dd1f192c5562878b1a1c0d3312121a1e3ff9f_d2l6YXJkL2V4cHJlc3Npb25fYnVpbGRlci5weQ==..e5361bd746d59df031e2e952140ea98668c8afbd_d2l6YXJkL2V4cHJlc3Npb25fYnVpbGRlci5weQ== 100644
--- a/wizard/expression_builder.py
+++ b/wizard/expression_builder.py
@@ -17,7 +17,7 @@
     # when the wizard action is completed, this field is
     # written in the substitution value
     expression = fields.Char(
-        string="Substitution",
+        string="Expression",
         help=(
             "Stores the substitution value the builder is working on."
             " (example: 'partner_id.name')"