diff --git a/documentation/tutorials/prosody.md b/documentation/tutorials/prosody.md
index bbed2381..f85f0981 100644
--- a/documentation/tutorials/prosody.md
+++ b/documentation/tutorials/prosody.md
@@ -93,7 +93,7 @@ Component "room.${PEERTUBE_DOMAIN}" "muc"
   -- admins = { "admin@your_xmpp_provider_domain" }
 
   -- if you want room persistence, uncomment these lines
-  -- (requires prosody>=11, for older version there is the mam_muc module)
+  -- (requires prosody>=0.11, for older version there is the mam_muc module)
   -- modules_enabled = { "muc_mam" }
   -- muc_log_by_default = true
   -- muc_log_presences = true
@@ -128,7 +128,7 @@ If you want to activate room persistence (chat room content will be kept even
 if there is no more users), uncomment the lines in the config file,
 and change the `muc_log_expires_after` parameter as you want. Please refer to
 the [muc_mam module documentation](https://prosody.im/doc/modules/mod_muc_mam).
-This requires Prosody >= 11. For older version, see
+This requires Prosody >= 0.11. For older version, see
 [mam_muc](https://modules.prosody.im/mod_mam_muc.html).
 
 We have now to activate this configuration file:
diff --git a/languages/pl.json b/languages/pl.json
new file mode 100644
index 00000000..08919f02
--- /dev/null
+++ b/languages/pl.json
@@ -0,0 +1,5 @@
+{
+  "Open chat": "Otwórz czat",
+  "Open chat in a new window": "Otwórz czat w nowym oknie",
+  "Close chat": "Zamknij czat"
+}
diff --git a/package.json b/package.json
index 3e45e3b4..4abfcd2b 100644
--- a/package.json
+++ b/package.json
@@ -73,6 +73,10 @@
     "settings": "dist/client/settings"
   },
   "translations": {
-    "fr-FR": "./languages/fr.json"
+    "ca-ES": "./languages/ca.json",
+    "fr-FR": "./languages/fr.json",
+    "eo": "./languages/eo.json",
+    "eu-ES": "./languages/eu.json",
+    "pl-PL": "./languages/pl.json"
   }
 }