diff --git a/gui/default/assets/lang/lang-fr.json b/gui/default/assets/lang/lang-fr.json
index 55c451d94..7f2ef8f60 100644
--- a/gui/default/assets/lang/lang-fr.json
+++ b/gui/default/assets/lang/lang-fr.json
@@ -37,7 +37,7 @@
     "Command": "Commande",
     "Comment, when used at the start of a line": "Commentaire lorsque utilisé en début de ligne",
     "Compression": "Compression",
-    "Configured": "Configuré",
+    "Configured": "Configurée",
     "Connection Error": "Erreur de connexion",
     "Connection Type": "Type de connexion",
     "Copied from elsewhere": "Copié d'ailleurs",
diff --git a/gui/default/assets/lang/lang-pl.json b/gui/default/assets/lang/lang-pl.json
index 70fae67b7..b4db415fe 100644
--- a/gui/default/assets/lang/lang-pl.json
+++ b/gui/default/assets/lang/lang-pl.json
@@ -108,7 +108,7 @@
     "Ignore Permissions": "Ignoruj uprawnienia",
     "Incoming Rate Limit (KiB/s)": "Ograniczenie prędkości odbierania (KiB/s)",
     "Incorrect configuration may damage your folder contents and render Syncthing inoperable.": "Niepoprawna konfiguracja może uszkodzić zawartośc Twojego folderu i uczynić Syncthing niedziałającym.",
-    "Introduced By": "Wprowadzony Przez",
+    "Introduced By": "Wprowadzony przez",
     "Introducer": "Wprowadzający",
     "Inversion of the given condition (i.e. do not exclude)": "Odwrócenie podanego wzorca (np. nie wykluczaj)",
     "Keep Versions": "Zachowuj wersje",
@@ -136,7 +136,7 @@
     "Newest First": "Najnowsze na początku",
     "No": "Nie",
     "No File Versioning": "Bez wersjonowania pliku",
-    "No upgrades": "Bez aktualizacji",
+    "No upgrades": "Brak aktualizacji",
     "Normal": "Zwykły",
     "Notice": "Wskazówka",
     "OK": "OK",
diff --git a/gui/default/assets/lang/prettyprint.js b/gui/default/assets/lang/prettyprint.js
index 5e9034ab9..d1edd8c86 100644
--- a/gui/default/assets/lang/prettyprint.js
+++ b/gui/default/assets/lang/prettyprint.js
@@ -1 +1 @@
-var langPrettyprint = {"bg":"Bulgarian","ca@valencia":"Catalan (Valencian)","cs":"Czech","da":"Danish","de":"German","el":"Greek","en-GB":"English (United Kingdom)","eo":"Esperanto","es":"Spanish","es-ES":"Spanish (Spain)","eu":"Basque","fi":"Finnish","fr":"French","fr-CA":"French (Canada)","fy":"Western Frisian","hu":"Hungarian","id":"Indonesian","it":"Italian","ja":"Japanese","ko-KR":"Korean (Korea)","lt":"Lithuanian","nb":"Norwegian Bokmål","nl":"Dutch","nn":"Norwegian Nynorsk","pl":"Polish","pt-BR":"Portuguese (Brazil)","pt-PT":"Portuguese (Portugal)","ru":"Russian","sk":"Slovak","sv":"Swedish","tr":"Turkish","uk":"Ukrainian","vi":"Vietnamese","zh-CN":"Chinese (China)"}
+var langPrettyprint = {"bg":"Bulgarian","ca@valencia":"Catalan (Valencian)","cs":"Czech","da":"Danish","de":"German","el":"Greek","en":"English","en-GB":"English (United Kingdom)","eo":"Esperanto","es":"Spanish","es-ES":"Spanish (Spain)","eu":"Basque","fi":"Finnish","fr":"French","fr-CA":"French (Canada)","fy":"Western Frisian","hu":"Hungarian","id":"Indonesian","it":"Italian","ja":"Japanese","ko-KR":"Korean (Korea)","lt":"Lithuanian","nb":"Norwegian Bokmål","nl":"Dutch","nn":"Norwegian Nynorsk","pl":"Polish","pt-BR":"Portuguese (Brazil)","pt-PT":"Portuguese (Portugal)","ru":"Russian","sk":"Slovak","sv":"Swedish","tr":"Turkish","uk":"Ukrainian","vi":"Vietnamese","zh-CN":"Chinese (China)"}
diff --git a/gui/default/assets/lang/valid-langs.js b/gui/default/assets/lang/valid-langs.js
index 07a49388a..8a49e0fdd 100644
--- a/gui/default/assets/lang/valid-langs.js
+++ b/gui/default/assets/lang/valid-langs.js
@@ -1 +1 @@
-var validLangs = ["bg","ca@valencia","cs","da","de","el","en-GB","eo","es","es-ES","eu","fi","fr","fr-CA","fy","hu","id","it","ja","ko-KR","lt","nb","nl","nn","pl","pt-BR","pt-PT","ru","sk","sv","tr","uk","vi","zh-CN"]
+var validLangs = ["bg","ca@valencia","cs","da","de","el","en","en-GB","eo","es","es-ES","eu","fi","fr","fr-CA","fy","hu","id","it","ja","ko-KR","lt","nb","nl","nn","pl","pt-BR","pt-PT","ru","sk","sv","tr","uk","vi","zh-CN"]