diff --git a/packages/merchant-backoffice-ui/src/InstanceRoutes.tsx b/packages/merchant-backoffice-ui/src/InstanceRoutes.tsx
index e31ff4513..c8f22f583 100644
--- a/packages/merchant-backoffice-ui/src/InstanceRoutes.tsx
+++ b/packages/merchant-backoffice-ui/src/InstanceRoutes.tsx
@@ -167,14 +167,14 @@ export function InstanceRoutes({
       if (error.type === ErrorType.TIMEOUT) {
         setGlobalNotification({
           message: i18n.str`The request to the backend take too long and was cancelled`,
-          description: i18n.str`Diagnostic from ${error.info?.url} is "${error.message}"`,
+          description: i18n.str`Diagnostic from ${error.info?.url} is '${error.message}'`,
           type: "ERROR",
           to,
         });
       } else {
         setGlobalNotification({
           message: i18n.str`The backend reported a problem: HTTP status #${error.status}`,
-          description: i18n.str`Diagnostic from ${error.info?.url} is "${error.message}"`,
+          description: i18n.str`Diagnostic from ${error.info?.url} is '${error.message}'`,
           details:
             error.clientError || error.serverError
               ? error.error?.detail
@@ -586,12 +586,12 @@ function AdminInstanceUpdatePage({
             error.type === ErrorType.TIMEOUT
               ? {
                   message: i18n.str`The request to the backend take too long and was cancelled`,
-                  description: i18n.str`Diagnostic from ${error.info?.url} is "${error.message}"`,
+                  description: i18n.str`Diagnostic from ${error.info?.url} is '${error.message}'`,
                   type: "ERROR" as const,
                 }
               : {
                   message: i18n.str`The backend reported a problem: HTTP status #${error.status}`,
-                  description: i18n.str`Diagnostic from ${error.info?.url} is "${error.message}"`,
+                  description: i18n.str`Diagnostic from ${error.info?.url} is '${error.message}'`,
                   details:
                     error.clientError || error.serverError
                       ? error.error?.detail
diff --git a/packages/merchant-backoffice-ui/src/i18n/de.po b/packages/merchant-backoffice-ui/src/i18n/de.po
index ddddbdfab..d0298800e 100644
--- a/packages/merchant-backoffice-ui/src/i18n/de.po
+++ b/packages/merchant-backoffice-ui/src/i18n/de.po
@@ -219,11 +219,21 @@ msgstr ""
 msgid "All"
 msgstr ""
 
+#: src/paths/admin/list/index.tsx:89
+#, c-format
+msgid "Instance '%1$s' (ID: %2$s) has been deleted"
+msgstr ""
+
 #: src/paths/admin/list/index.tsx:94
 #, c-format
 msgid "Failed to delete instance"
 msgstr ""
 
+#: src/paths/admin/list/index.tsx:112
+#, c-format
+msgid "Instance '%1$s' (ID: %2$s) has been disabled"
+msgstr ""
+
 #: src/paths/admin/list/index.tsx:117
 #, c-format
 msgid "Failed to purge instance"
@@ -1868,6 +1878,11 @@ msgstr ""
 msgid "could not update template"
 msgstr ""
 
+#: src/paths/instance/webhooks/create/CreatePage.tsx:57
+#, c-format
+msgid "should be one of '%1$s'"
+msgstr ""
+
 #: src/paths/instance/webhooks/create/CreatePage.tsx:85
 #, c-format
 msgid "Webhook ID to use"
@@ -2453,6 +2468,11 @@ msgstr ""
 msgid "The request to the backend take too long and was cancelled"
 msgstr ""
 
+#: src/InstanceRoutes.tsx:170
+#, c-format
+msgid "Diagnostic from %1$s is '%2$s'"
+msgstr ""
+
 #: src/InstanceRoutes.tsx:176
 #, c-format
 msgid "The backend reported a problem: HTTP status #%1$s"
diff --git a/packages/merchant-backoffice-ui/src/i18n/en.po b/packages/merchant-backoffice-ui/src/i18n/en.po
index ddddbdfab..d0298800e 100644
--- a/packages/merchant-backoffice-ui/src/i18n/en.po
+++ b/packages/merchant-backoffice-ui/src/i18n/en.po
@@ -219,11 +219,21 @@ msgstr ""
 msgid "All"
 msgstr ""
 
+#: src/paths/admin/list/index.tsx:89
+#, c-format
+msgid "Instance '%1$s' (ID: %2$s) has been deleted"
+msgstr ""
+
 #: src/paths/admin/list/index.tsx:94
 #, c-format
 msgid "Failed to delete instance"
 msgstr ""
 
+#: src/paths/admin/list/index.tsx:112
+#, c-format
+msgid "Instance '%1$s' (ID: %2$s) has been disabled"
+msgstr ""
+
 #: src/paths/admin/list/index.tsx:117
 #, c-format
 msgid "Failed to purge instance"
@@ -1868,6 +1878,11 @@ msgstr ""
 msgid "could not update template"
 msgstr ""
 
+#: src/paths/instance/webhooks/create/CreatePage.tsx:57
+#, c-format
+msgid "should be one of '%1$s'"
+msgstr ""
+
 #: src/paths/instance/webhooks/create/CreatePage.tsx:85
 #, c-format
 msgid "Webhook ID to use"
@@ -2453,6 +2468,11 @@ msgstr ""
 msgid "The request to the backend take too long and was cancelled"
 msgstr ""
 
+#: src/InstanceRoutes.tsx:170
+#, c-format
+msgid "Diagnostic from %1$s is '%2$s'"
+msgstr ""
+
 #: src/InstanceRoutes.tsx:176
 #, c-format
 msgid "The backend reported a problem: HTTP status #%1$s"
diff --git a/packages/merchant-backoffice-ui/src/i18n/es.po b/packages/merchant-backoffice-ui/src/i18n/es.po
index fcea3fcdc..ec7eea12b 100644
--- a/packages/merchant-backoffice-ui/src/i18n/es.po
+++ b/packages/merchant-backoffice-ui/src/i18n/es.po
@@ -222,11 +222,21 @@ msgstr "Sin instancia default"
 msgid "All"
 msgstr "Todo"
 
+#: src/paths/admin/list/index.tsx:89
+#, c-format
+msgid "Instance '%1$s' (ID: %2$s) has been deleted"
+msgstr ""
+
 #: src/paths/admin/list/index.tsx:94
 #, fuzzy, c-format
 msgid "Failed to delete instance"
 msgstr "Sin instancia default"
 
+#: src/paths/admin/list/index.tsx:112
+#, c-format
+msgid "Instance '%1$s' (ID: %2$s) has been disabled"
+msgstr ""
+
 #: src/paths/admin/list/index.tsx:117
 #, fuzzy, c-format
 msgid "Failed to purge instance"
@@ -1873,6 +1883,11 @@ msgstr "no se pudo eliminar el producto"
 msgid "could not update template"
 msgstr "no se pudo actualizar el producto"
 
+#: src/paths/instance/webhooks/create/CreatePage.tsx:57
+#, fuzzy, c-format
+msgid "should be one of '%1$s'"
+msgstr "deberían ser iguales"
+
 #: src/paths/instance/webhooks/create/CreatePage.tsx:85
 #, c-format
 msgid "Webhook ID to use"
@@ -2459,6 +2474,11 @@ msgstr "Acceso denegado"
 msgid "The request to the backend take too long and was cancelled"
 msgstr ""
 
+#: src/InstanceRoutes.tsx:170
+#, c-format
+msgid "Diagnostic from %1$s is '%2$s'"
+msgstr ""
+
 #: src/InstanceRoutes.tsx:176
 #, fuzzy, c-format
 msgid "The backend reported a problem: HTTP status #%1$s"
diff --git a/packages/merchant-backoffice-ui/src/i18n/fr.po b/packages/merchant-backoffice-ui/src/i18n/fr.po
index ddddbdfab..d0298800e 100644
--- a/packages/merchant-backoffice-ui/src/i18n/fr.po
+++ b/packages/merchant-backoffice-ui/src/i18n/fr.po
@@ -219,11 +219,21 @@ msgstr ""
 msgid "All"
 msgstr ""
 
+#: src/paths/admin/list/index.tsx:89
+#, c-format
+msgid "Instance '%1$s' (ID: %2$s) has been deleted"
+msgstr ""
+
 #: src/paths/admin/list/index.tsx:94
 #, c-format
 msgid "Failed to delete instance"
 msgstr ""
 
+#: src/paths/admin/list/index.tsx:112
+#, c-format
+msgid "Instance '%1$s' (ID: %2$s) has been disabled"
+msgstr ""
+
 #: src/paths/admin/list/index.tsx:117
 #, c-format
 msgid "Failed to purge instance"
@@ -1868,6 +1878,11 @@ msgstr ""
 msgid "could not update template"
 msgstr ""
 
+#: src/paths/instance/webhooks/create/CreatePage.tsx:57
+#, c-format
+msgid "should be one of '%1$s'"
+msgstr ""
+
 #: src/paths/instance/webhooks/create/CreatePage.tsx:85
 #, c-format
 msgid "Webhook ID to use"
@@ -2453,6 +2468,11 @@ msgstr ""
 msgid "The request to the backend take too long and was cancelled"
 msgstr ""
 
+#: src/InstanceRoutes.tsx:170
+#, c-format
+msgid "Diagnostic from %1$s is '%2$s'"
+msgstr ""
+
 #: src/InstanceRoutes.tsx:176
 #, c-format
 msgid "The backend reported a problem: HTTP status #%1$s"
diff --git a/packages/merchant-backoffice-ui/src/i18n/it.po b/packages/merchant-backoffice-ui/src/i18n/it.po
index ddddbdfab..d0298800e 100644
--- a/packages/merchant-backoffice-ui/src/i18n/it.po
+++ b/packages/merchant-backoffice-ui/src/i18n/it.po
@@ -219,11 +219,21 @@ msgstr ""
 msgid "All"
 msgstr ""
 
+#: src/paths/admin/list/index.tsx:89
+#, c-format
+msgid "Instance '%1$s' (ID: %2$s) has been deleted"
+msgstr ""
+
 #: src/paths/admin/list/index.tsx:94
 #, c-format
 msgid "Failed to delete instance"
 msgstr ""
 
+#: src/paths/admin/list/index.tsx:112
+#, c-format
+msgid "Instance '%1$s' (ID: %2$s) has been disabled"
+msgstr ""
+
 #: src/paths/admin/list/index.tsx:117
 #, c-format
 msgid "Failed to purge instance"
@@ -1868,6 +1878,11 @@ msgstr ""
 msgid "could not update template"
 msgstr ""
 
+#: src/paths/instance/webhooks/create/CreatePage.tsx:57
+#, c-format
+msgid "should be one of '%1$s'"
+msgstr ""
+
 #: src/paths/instance/webhooks/create/CreatePage.tsx:85
 #, c-format
 msgid "Webhook ID to use"
@@ -2453,6 +2468,11 @@ msgstr ""
 msgid "The request to the backend take too long and was cancelled"
 msgstr ""
 
+#: src/InstanceRoutes.tsx:170
+#, c-format
+msgid "Diagnostic from %1$s is '%2$s'"
+msgstr ""
+
 #: src/InstanceRoutes.tsx:176
 #, c-format
 msgid "The backend reported a problem: HTTP status #%1$s"
diff --git a/packages/merchant-backoffice-ui/src/i18n/sv.po b/packages/merchant-backoffice-ui/src/i18n/sv.po
index ddddbdfab..d0298800e 100644
--- a/packages/merchant-backoffice-ui/src/i18n/sv.po
+++ b/packages/merchant-backoffice-ui/src/i18n/sv.po
@@ -219,11 +219,21 @@ msgstr ""
 msgid "All"
 msgstr ""
 
+#: src/paths/admin/list/index.tsx:89
+#, c-format
+msgid "Instance '%1$s' (ID: %2$s) has been deleted"
+msgstr ""
+
 #: src/paths/admin/list/index.tsx:94
 #, c-format
 msgid "Failed to delete instance"
 msgstr ""
 
+#: src/paths/admin/list/index.tsx:112
+#, c-format
+msgid "Instance '%1$s' (ID: %2$s) has been disabled"
+msgstr ""
+
 #: src/paths/admin/list/index.tsx:117
 #, c-format
 msgid "Failed to purge instance"
@@ -1868,6 +1878,11 @@ msgstr ""
 msgid "could not update template"
 msgstr ""
 
+#: src/paths/instance/webhooks/create/CreatePage.tsx:57
+#, c-format
+msgid "should be one of '%1$s'"
+msgstr ""
+
 #: src/paths/instance/webhooks/create/CreatePage.tsx:85
 #, c-format
 msgid "Webhook ID to use"
@@ -2453,6 +2468,11 @@ msgstr ""
 msgid "The request to the backend take too long and was cancelled"
 msgstr ""
 
+#: src/InstanceRoutes.tsx:170
+#, c-format
+msgid "Diagnostic from %1$s is '%2$s'"
+msgstr ""
+
 #: src/InstanceRoutes.tsx:176
 #, c-format
 msgid "The backend reported a problem: HTTP status #%1$s"
diff --git a/packages/merchant-backoffice-ui/src/i18n/taler-merchant-backoffice.pot b/packages/merchant-backoffice-ui/src/i18n/taler-merchant-backoffice.pot
index 88dc285f6..cdc469328 100644
--- a/packages/merchant-backoffice-ui/src/i18n/taler-merchant-backoffice.pot
+++ b/packages/merchant-backoffice-ui/src/i18n/taler-merchant-backoffice.pot
@@ -215,12 +215,21 @@ msgstr ""
 msgid "All"
 msgstr ""
 
+#: src/paths/admin/list/index.tsx:89
+#, c-format
+msgid "Instance '%1$s' (ID: %2$s) has been deleted"
+msgstr ""
 
 #: src/paths/admin/list/index.tsx:94
 #, c-format
 msgid "Failed to delete instance"
 msgstr ""
 
+#: src/paths/admin/list/index.tsx:112
+#, c-format
+msgid "Instance '%1$s' (ID: %2$s) has been disabled"
+msgstr ""
+
 #: src/paths/admin/list/index.tsx:117
 #, c-format
 msgid "Failed to purge instance"
@@ -1857,6 +1866,11 @@ msgstr ""
 msgid "could not update template"
 msgstr ""
 
+#: src/paths/instance/webhooks/create/CreatePage.tsx:57
+#, c-format
+msgid "should be one of '%1$s'"
+msgstr ""
+
 #: src/paths/instance/webhooks/create/CreatePage.tsx:85
 #, c-format
 msgid "Webhook ID to use"
@@ -2438,6 +2452,11 @@ msgstr ""
 msgid "The request to the backend take too long and was cancelled"
 msgstr ""
 
+#: src/InstanceRoutes.tsx:170
+#, c-format
+msgid "Diagnostic from %1$s is '%2$s'"
+msgstr ""
+
 #: src/InstanceRoutes.tsx:176
 #, c-format
 msgid "The backend reported a problem: HTTP status #%1$s"
diff --git a/packages/merchant-backoffice-ui/src/paths/admin/list/index.tsx b/packages/merchant-backoffice-ui/src/paths/admin/list/index.tsx
index 8efb5598d..dd1c1e557 100644
--- a/packages/merchant-backoffice-ui/src/paths/admin/list/index.tsx
+++ b/packages/merchant-backoffice-ui/src/paths/admin/list/index.tsx
@@ -86,7 +86,7 @@ export default function Instances({
               await deleteInstance(deleting.id);
               // pushNotification({ message: 'delete_success', type: 'SUCCESS' })
               setNotif({
-                message: i18n.str`Instance "${deleting.name}" (ID: ${deleting.id}) has been deleted`,
+                message: i18n.str`Instance '${deleting.name}' (ID: ${deleting.id}) has been deleted`,
                 type: "SUCCESS",
               });
             } catch (error) {
@@ -109,7 +109,7 @@ export default function Instances({
             try {
               await purgeInstance(purging.id);
               setNotif({
-                message: i18n.str`Instance "${purging.name}" (ID: ${purging.id}) has been disabled`,
+                message: i18n.str`Instance '${purging.name}' (ID: ${purging.id}) has been disabled`,
                 type: "SUCCESS",
               });
             } catch (error) {
diff --git a/packages/merchant-backoffice-ui/src/paths/instance/webhooks/create/CreatePage.tsx b/packages/merchant-backoffice-ui/src/paths/instance/webhooks/create/CreatePage.tsx
index 1d049149b..8150f3aec 100644
--- a/packages/merchant-backoffice-ui/src/paths/instance/webhooks/create/CreatePage.tsx
+++ b/packages/merchant-backoffice-ui/src/paths/instance/webhooks/create/CreatePage.tsx
@@ -54,7 +54,7 @@ export function CreatePage({ onCreate, onBack }: Props): VNode {
     http_method: !state.http_method
       ? i18n.str`required`
       : !validMethod.includes(state.http_method)
-      ? i18n.str`should be one of "${validMethod.join(", ")}"`
+      ? i18n.str`should be one of '${validMethod.join(", ")}'`
       : undefined,
     url: !state.url ? i18n.str`required` : undefined,
   };
diff --git a/packages/merchant-backoffice-ui/src/paths/instance/webhooks/update/UpdatePage.tsx b/packages/merchant-backoffice-ui/src/paths/instance/webhooks/update/UpdatePage.tsx
index 4e3674dca..0401453db 100644
--- a/packages/merchant-backoffice-ui/src/paths/instance/webhooks/update/UpdatePage.tsx
+++ b/packages/merchant-backoffice-ui/src/paths/instance/webhooks/update/UpdatePage.tsx
@@ -50,7 +50,7 @@ export function UpdatePage({ webhook, onUpdate, onBack }: Props): VNode {
     http_method: !state.http_method
       ? i18n.str`required`
       : !validMethod.includes(state.http_method)
-      ? i18n.str`should be one of "${validMethod.join(", ")}"`
+      ? i18n.str`should be one of '${validMethod.join(", ")}'`
       : undefined,
     url: !state.url ? i18n.str`required` : undefined,
   };