diff --git a/resources/scripts/locales/sl.json b/resources/scripts/locales/sl.json
index 094feb90..6fa55c4b 100644
--- a/resources/scripts/locales/sl.json
+++ b/resources/scripts/locales/sl.json
@@ -1485,7 +1485,7 @@
   "pdf_estimate_label": "Estimate",
   "pdf_estimate_number": "Estimate Number",
   "pdf_estimate_date": "Estimate Date",
-  "pdf_estimate_expire_date": "Expiry date",
+  "pdf_estimate_expire_date": "Expiry Date",
   "pdf_invoice_label": "Invoice",
   "pdf_invoice_number": "Invoice Number",
   "pdf_invoice_date": "Invoice Date",