diff --git a/core/i18n/src/main/res/values-es/strings.xml b/core/i18n/src/main/res/values-es/strings.xml
index 6858608f6..f75b4cb8a 100644
--- a/core/i18n/src/main/res/values-es/strings.xml
+++ b/core/i18n/src/main/res/values-es/strings.xml
@@ -881,4 +881,12 @@
     <string name="preference_screen_locale_summary">Idioma, unidades y formato de hora</string>
     <string name="preference_language">Idioma</string>
     <string name="preference_value_system_default">Predeterminado del sistema</string>
+    <string name="preference_form_of_address">Tratamiento</string>
+    <string name="preference_form_of_address_neutral">Neutro</string>
+    <string name="preference_form_of_address_fem">Femenino</string>
+    <string name="preference_form_of_address_masc">Masculino</string>
+    <string name="preference_measurement_system">Sistema de unidades</string>
+    <string name="preference_measurement_system_metric">Métrico</string>
+    <string name="preference_measurement_system_uk">Reino Unido</string>
+    <string name="preference_measurement_system_us">Estados Unidos</string>
 </resources>