diff --git a/docs/src/languages/ruby.md b/docs/src/languages/ruby.md
index 67904e35f1..f8df187e8a 100644
--- a/docs/src/languages/ruby.md
+++ b/docs/src/languages/ruby.md
@@ -256,7 +256,7 @@ In order to do that, you need to configure the language server so that it knows
     "tailwindcss-language-server": {
       "settings": {
         "includeLanguages": {
-          "erb": "html",
+          "html/erb": "html",
           "ruby": "html"
         },
         "experimental": {