diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
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 # Flight rules for Git
 
 🌍
-*[English](README.md) ∙ [Русский](README_ru.md) ∙ [简体中文](README_zh-CN.md)*
+*[English](README.md) ∙ [Español](README_es.md)  ∙  [Русский](README_ru.md) ∙ [简体中文](README_zh-CN.md)*
 
 #### What are "flight rules"?
 
diff --git a/README-es.md b/README_es.md
similarity index 100%
rename from README-es.md
rename to README_es.md