diff --git a/doc/KSeF/README.md b/doc/KSeF/README.md
index 47837d0..a03c813 100644
--- a/doc/KSeF/README.md
+++ b/doc/KSeF/README.md
@@ -6,6 +6,29 @@ Java integration for the Polish **Krajowy System e-Faktur (KSeF)** - the nationa
 
 This integration provides secure communication with the KSeF API to upload electronic invoices. It handles the complex multi-step authentication flow and encryption requirements mandated by the Polish tax authorities.
 
+- [Environment Endpoints](https://github.com/CIRFMF/ksef-docs/blob/main/srodowiska.md)
+- [KSeF Official Documentation](https://www.gov.pl/web/kas/ksef)
+- [KSeF API Specification](https://api-test.ksef.mf.gov.pl/docs/v2/index.html)
+- [Upload Invoice](https://api-test.ksef.mf.gov.pl/docs/v2/index.html#tag/Wysylka-interaktywna/paths/~1api~1v2~1sessions~1online~1%7BreferenceNumber%7D~1invoices/post)
+- [Facture Details](https://github.com/CIRFMF/ksef-docs/blob/main/sesja-interaktywna.md#2-wys%C5%82anie-faktury)
+- [XML Invoice Example](https://github.com/CIRFMF/ksef-docs/blob/main/faktury/weryfikacja-faktury.md)
+- [QR Code](https://github.com/CIRFMF/ksef-docs/blob/main/kody-qr.md)
+
+- [Github Discussions](https://github.com/CIRFMF/ksef-docs/issues/351#issuecomment-3538013805)
+- [Github Discussions](https://github.com/CIRFMF/ksef-docs/issues/399)
+
+Test environment endpoint:
+
+```
+https://api-test.ksef.mf.gov.pl/api/v2
+```
+
+Production endpoint:
+
+```
+https://api.ksef.mf.gov.pl/api/v2
+```
+
 ## Components
 
 ### 1. KSeFAuthManager
@@ -165,18 +188,6 @@ The implementation uses `PluginException` for error handling with two error type
 - Java 11+ (HttpClient, Crypto APIs)
 - Imixs Workflow (for document management)
 
-## References
-
-- [KSeF Official Documentation](https://www.gov.pl/web/kas/ksef)
-- [KSeF API Specification](https://ksef-test.mf.gov.pl/docs/v2/index.html)
-- [Upload Invoice](https://ksef-test.mf.gov.pl/docs/v2/index.html#tag/Wysylka-interaktywna/paths/~1api~1v2~1sessions~1online~1%7BreferenceNumber%7D~1invoices/post)
-- [Facture Details](https://github.com/CIRFMF/ksef-docs/blob/main/sesja-interaktywna.md#2-wys%C5%82anie-faktury)
-- [XML Invoice Example](https://github.com/CIRFMF/ksef-docs/blob/main/faktury/weryfikacja-faktury.md)
-- [QR Code](https://github.com/CIRFMF/ksef-docs/blob/main/kody-qr.md)
-
-- [Github Discussions](https://github.com/CIRFMF/ksef-docs/issues/351#issuecomment-3538013805)
-- [Github Discussions](https://github.com/CIRFMF/ksef-docs/issues/399)
-
 # Validate XML
 
 To validate XML results use xmllint. To install run: