diff --git a/docs/source/Support.md b/docs/source/Support.md
index 7bc33481d..9833ccdb2 100644
--- a/docs/source/Support.md
+++ b/docs/source/Support.md
@@ -22,7 +22,7 @@ Feature                        | C++    | Java   | C#     | Go     | Python | JS
 ------------------------------ | ------ | ------ | ------ | ------ | ------ | --------- | ------  | --- | ----
 Codegen for all basic features | Yes    | Yes    | Yes    | Yes    | Yes    | Yes       | Yes     | WiP | WiP
 JSON parsing                   | Yes    | No     | No     | No     | No     | No        | Yes     | No  | No
-Simple mutation                | Yes    | WIP    | WIP    | No     | No     | No        | No      | No  | No
+Simple mutation                | Yes    | Yes    | Yes    | Yes     | No     | No        | No      | No  | No
 Reflection                     | Yes    | No     | No     | No     | No     | No        | Basic   | No  | No
 Buffer verifier                | Yes    | No     | No     | No     | No     | No        | Yes     | No  | No
 Testing: basic                 | Yes    | Yes    | Yes    | Yes    | Yes    | Yes       | Yes     | ?   | ?