diff --git a/Doc/tools/static/switchers.js b/Doc/tools/static/switchers.js
index c51f178ce645c0..b53824546b3d0e 100644
--- a/Doc/tools/static/switchers.js
+++ b/Doc/tools/static/switchers.js
@@ -21,6 +21,7 @@
 
   var all_languages = {
       'en': 'English',
+      'es': 'Spanish',
       'fr': 'French',
       'ja': 'Japanese',
       'ko': 'Korean',