diff --git a/document/js-api/index.bs b/document/js-api/index.bs
index dd402dd26a..0ffe0d0d65 100644
--- a/document/js-api/index.bs
+++ b/document/js-api/index.bs
@@ -1014,6 +1014,6 @@ Modules that exceed these limits are invalid and are rejected with a {{CompileEr
The maximum number of parameters to any function is 1000.
The maximum number of return types for any function is 1.
The maximum size of a function body, including locals declarations, is 7654321 bytes.
-The maximum number of locals declared in a function is 50000.
+The maximum number of locals declared in a function, including implicitly declared as parameters, is 50000.