diff --git a/i18n/api/ia.json b/i18n/api/ia.json
index 315ce9e4..2b6c3b65 100644
--- a/i18n/api/ia.json
+++ b/i18n/api/ia.json
@@ -15,5 +15,9 @@
 	"apihelp-ulslocalization-summary": "Obtener le localisation de ULS in le lingua specificate.",
 	"apihelp-ulslocalization-param-language": "Codice de lingua.",
 	"apihelp-ulslocalization-example-1": "Obtener le localisation in tamil",
-	"apihelp-ulslocalization-example-2": "Obtener le localisation in hindi"
+	"apihelp-ulslocalization-example-2": "Obtener le localisation in hindi",
+	"apihelp-ulssetlang-description": "Actualisar le lingua de interfacie preferite del usator.",
+	"apihelp-ulssetlang-summary": "Actualisar le lingua de interfacie preferite del usator.",
+	"apihelp-ulssetlang-param-languagecode": "Le codice del lingua preferite.",
+	"apierror-ulssetlang-anon-notallowed": "Le usatores anonyme non es autorisate a cambiar le lingua del interfacie."
 }
diff --git a/i18n/ia.json b/i18n/ia.json
index a9a212ad..85a46158 100644
--- a/i18n/ia.json
+++ b/i18n/ia.json
@@ -8,6 +8,7 @@
 	"uls-plang-title-languages": "Linguas",
 	"ext-uls-select-language-settings-icon-tooltip": "Configuration de lingua",
 	"ext-uls-undo-language-tooltip-text": "Lingua cambiate ab $1",
+	"ext-uls-undo-language-tooltip-text-local": "Le lingua de iste wiki ha cambiate. Usa le [[Special:GlobalPreferences|preferentias global]] pro cambiar le lingua pro tote le wikis.",
 	"ext-uls-language-settings-preferences-link": "Altere parametros de lingua",
 	"uls-betafeature-label": "Lista compacte de linguas",
 	"uls-betafeature-desc": "Monstra un version abbreviate del lista de linguas, con solmente le linguas plus relevante pro te.",
@@ -58,5 +59,18 @@
 	"ext-uls-compact-link-info": "Tote le linguas (selection initial de linguas frequentemente seligite per te e alteres)",
 	"prefs-languages": "Linguas",
 	"ext-uls-compact-language-links-preference": "Usar un [[$1|lista compacte de linguas]] con le linguas relevante pro te.",
-	"ext-uls-compact-no-results": "Iste pagina non es disponibile in le lingua que tu cerca."
+	"ext-uls-compact-no-results": "Iste pagina non es disponibile in le lingua que tu cerca.",
+	"ext-uls-setlang-error": "Un error ha occurrite durante le actualisation de tu lingua preferite. Error: $1",
+	"ext-uls-setlang-unknown-error": "Error incognite",
+	"ext-uls-setlang-message": "Le ligamine que tu ha sequite ha requestate que le interfacie sia monstrate in <strong>$1 ($2)</strong>",
+	"ext-uls-setlang-heading": "Cambiar le lingua del interfacie?",
+	"ext-uls-setlang-accept": "Acceptar cambiamento",
+	"ext-uls-setlang-loading": "Applica...",
+	"ext-uls-setlang-cancel": "Non cambiar",
+	"ext-uls-actions-menu-header": "Plus optiones",
+	"ext-uls-actions-menu-language-settings-item-label": "Aperir parametros de lingua",
+	"ext-uls-empty-state-header": "Necun lingua ancora",
+	"ext-uls-empty-state-desc": "Necun lingua es disponibile pro le momento",
+	"ext-uls-empty-state-header-actions-available": "Necun lingua ancora. Adder un nove?",
+	"ext-uls-empty-state-desc-actions-available": " Render le contento disponibile in plus linguas."
 }