Update Catalan translation.

locale/ca_ES.po

@@ -352,7 +352,7 @@ msgstr "Codi"
 
 msgctxt "field:purchase.product_supplier,company:"
 msgid "Company"
-msgstr "Companyia"
+msgstr "Empresa"
 
 msgctxt "field:purchase.product_supplier,create_date:"
 msgid "Create Date"
@@ -755,6 +755,10 @@ msgctxt "model:ir.action,name:act_purchase_form2"
 msgid "Purchases"
 msgstr "Compres"
 
+msgctxt "model:ir.action,name:act_purchase_invoice_relate"
+msgid "Purchases"
+msgstr "Compres"
+
 msgctxt "model:ir.action,name:act_return_form"
 msgid "Returns"
 msgstr "Retorna"