diff --git a/docs/rules/no-dupe-keys.md b/docs/rules/no-dupe-keys.md
index 2cbed8ebb..f139792d2 100644
--- a/docs/rules/no-dupe-keys.md
+++ b/docs/rules/no-dupe-keys.md
@@ -51,7 +51,7 @@ export default {
 }
 ```
 
-- `"groups"` (`string[]`) Array of additional groups to search for duplicates. Defailt is empty.
+- `"groups"` (`string[]`) Array of additional groups to search for duplicates. Default is empty.
 
 ### `"groups": ["firebase"]`