diff --git a/res/values-es/strings.xml b/res/values-es/strings.xml
index e8c0ac196..a0126b69b 100644
--- a/res/values-es/strings.xml
+++ b/res/values-es/strings.xml
@@ -11,13 +11,13 @@
     <string name="menu_searchintext">Buscar en el texto</string>
     <string name="menu_randomarticle">Página aleatoria</string>
     <string name="search_label">Buscar</string>
-    <string name="articlesearch_hint">Type to lookup articles</string>
-    <string name="choose_file">Select a ZIM Content File (*.zim)</string>
-    <string name="error_nozimfilesfound">No ZIM files found on your device.\nTake a look at the Help Page to get directions on how to load content into Kiwix.\nIf you did put a ZIM file on your device/external storage, you might retry in a minute or restart your device.</string>
-    <string name="error_filenotfound">Error: The selected ZIM file could not be found.</string>
-    <string name="error_fileinvalid">Error: The selected file is not a valid ZIM file.</string>
+    <string name="articlesearch_hint">Tipo de búsqueda de artículos</string>
+    <string name="choose_file">Seleccione un archivo de contenido de ZIM (*.zim)</string>
+    <string name="error_nozimfilesfound">No se encontró ningún archivo ZIM en tu dispositivo.\nEcha un vistazo a la Página de Ayuda para obtener instrucciones acerca de cómo cargar contenido en Kiwix.\nSi pusiste un archivo ZIM en tu dispositivo de almacenamiento externo, puedes intentar en un minuto o reiniciar el dispositivo.</string>
+    <string name="error_filenotfound">Error: No se encontró el archivo ZIM seleccionado.</string>
+    <string name="error_fileinvalid">Error: El archivo seleccionado no es un archivo ZIM válido.</string>
     <string name="error_articlenotfound">Error: Loading article \"%1$s\" failed.</string>
-    <string name="error_articleurlnotfound">Error: Loading article (Url: %1$s) failed.</string>
+    <string name="error_articleurlnotfound">Error: la Carga de artículo (Url: %1$s) ha fallado.</string>
     <string name="pref_display_title">Mostrar</string>
     <string name="pref_zoom_title">Nivel de zoom</string>
     <string name="pref_zoom_dialogtitle">Nivel de zoom</string>    
@@ -30,7 +30,7 @@
     </string-array>
     <string name="menu_exit">Salir</string>
     <string name="pref_zoom_enable">Controles de zoom</string>
-    <string name="pref_zoom_enable_summary">Display a zoom button in the screen bottom right corner</string>
+    <string name="pref_zoom_enable_summary">Mostrar un botón de zoom en la esquina inferior derecha de la pantalla</string>
     <string name="pref_nightmode">Modo nocturno</string>
-    <string name="pref_nightmode_summary">Show articles with reverted colors</string>
+    <string name="pref_nightmode_summary">Mostrar artículos con colores revertidas</string>
 </resources>
diff --git a/res/values-ko/strings.xml b/res/values-ko/strings.xml
index f0634bd19..0afe82600 100644
--- a/res/values-ko/strings.xml
+++ b/res/values-ko/strings.xml
@@ -31,6 +31,6 @@
     <string name="menu_exit">끝내기</string>
     <string name="pref_zoom_enable">Zoom controls</string>
     <string name="pref_zoom_enable_summary">Display a zoom button in the screen bottom right corner</string>
-    <string name="pref_nightmode">Night mode</string>
+    <string name="pref_nightmode">야간 모드</string>
     <string name="pref_nightmode_summary">Show articles with reverted colors</string>
 </resources>
diff --git a/res/values-pt/strings.xml b/res/values-pt/strings.xml
index 37d0cc630..a59da312b 100644
--- a/res/values-pt/strings.xml
+++ b/res/values-pt/strings.xml
@@ -11,8 +11,8 @@
     <string name="menu_searchintext">Procurar no texto</string>
     <string name="menu_randomarticle">Artigo aleatório</string>
     <string name="search_label">Pesquisar</string>
-    <string name="articlesearch_hint">Type to lookup articles</string>
-    <string name="choose_file">Select a ZIM Content File (*.zim)</string>
+    <string name="articlesearch_hint">Digite para pesquisar artigos.</string>
+    <string name="choose_file">Selecione um arquivo de conteúdo ZIM (*.zim)</string>
     <string name="error_nozimfilesfound">No ZIM files found on your device.\nTake a look at the Help Page to get directions on how to load content into Kiwix.\nIf you did put a ZIM file on your device/external storage, you might retry in a minute or restart your device.</string>
     <string name="error_filenotfound">Error: The selected ZIM file could not be found.</string>
     <string name="error_fileinvalid">Error: The selected file is not a valid ZIM file.</string>