diff --git a/doc/POST_UPGRADE.md b/doc/POST_UPGRADE.md
new file mode 100644
index 0000000..972dca1
--- /dev/null
+++ b/doc/POST_UPGRADE.md
@@ -0,0 +1,4 @@
+Your SMP server address:
+
+smp://__FINGERPRINT__@__PUBLIC_IP4__:__PORT__
+
diff --git a/doc/POST_UPGRADE_fr.md b/doc/POST_UPGRADE_fr.md
new file mode 100644
index 0000000..132e29d
--- /dev/null
+++ b/doc/POST_UPGRADE_fr.md
@@ -0,0 +1,4 @@
+Adresse de votre serveur SMP :
+
+smp://__FINGERPRINT__@__PUBLIC_IP4__:__PORT__
+