diff --git a/i18n/es.po b/i18n/es.po
index aaca5df..b429c54 100644
--- a/i18n/es.po
+++ b/i18n/es.po
@@ -11,7 +11,7 @@ msgstr ""
 "Last-Translator: Janeth Cruz, 2023\n"
 "Language-Team: Spanish (https://app.transifex.com/hisp-uio/teams/100509/es/)\n"
 "MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: es\n"
 "Plural-Forms: nplurals=3; plural=n == 1 ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"