diff --git a/doc/configs.md b/doc/configs.md
index 4f12a22d07..db7599f523 100644
--- a/doc/configs.md
+++ b/doc/configs.md
@@ -8579,7 +8579,7 @@ Default config:
   ```
 - `filetypes` :
   ```lua
-  { "ruby" }
+  { "ruby", "eruby" }
   ```
 - `init_options` :
   ```lua
diff --git a/doc/configs.txt b/doc/configs.txt
index 4f12a22d07..db7599f523 100644
--- a/doc/configs.txt
+++ b/doc/configs.txt
@@ -8579,7 +8579,7 @@ Default config:
   ```
 - `filetypes` :
   ```lua
-  { "ruby" }
+  { "ruby", "eruby" }
   ```
 - `init_options` :
   ```lua