Update string/concat/index.md

Add {{optional_inline}}, same as array/concat
mdn · Dec 6, 2024 · 31e8d4b · 31e8d4b
1 parent 04e4faf
commit 31e8d4b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/files/en-us/web/javascript/reference/global_objects/string/concat/index.md b/files/en-us/web/javascript/reference/global_objects/string/concat/index.md
@@ -23,7 +23,7 @@ concat(str1, str2, /* …, */ strN)
 
 ### Parameters
 
-- `str1`, …, `strN`
+- `str1`, …, `strN` {{optional_inline}}
   - : One or more strings to concatenate to `str`.
 
 ### Return value