diff --git a/.prettierrc.yml b/.prettierrc.yml
new file mode 100644
index 0000000000000000000000000000000000000000..5b6d4b361ace92f3877993bf2848fac190d8fab6
--- /dev/null
+++ b/.prettierrc.yml
@@ -0,0 +1,8 @@
+# Defaults for all prettier-supported languages.
+# Prettier will complete this with settings from .editorconfig file.
+bracketSpacing: false
+printWidth: 88
+proseWrap: always
+semi: true
+trailingComma: "es5"
+xmlWhitespaceSensitivity: "strict"
diff --git a/templates/operation_templates_page.xml b/templates/operation_templates_page.xml
index 91ee9c304c1f1fb148f199316aa93f007d4990fa..67f0f2dafd0ceb6c6d0cd8814570399721ab2437 100644
--- a/templates/operation_templates_page.xml
+++ b/templates/operation_templates_page.xml
@@ -22,9 +22,7 @@
     <template id='operation_invoice_surplus' name="Operation Factures Surplus">
         <t t-call="oacc_portal.layout_op">
             <div class="col-12 bg-white">
-                <h3
-                    class="text-center mt-2 text-uppercase"
-                >Mes Factures Surplus</h3>
+                <h3 class="text-center mt-2 text-uppercase">Mes Factures Surplus</h3>
                 <t t-if="invoices_surplus">
                     <t t-set="invoices" t-value="invoices_surplus" />
                     <t t-set="partner_label" t-value="'Acheteur de surplus'" />