diff --git a/src/specification/parser/readme.md b/src/specification/parser/readme.md
index 8426a05..93c0f18 100644
--- a/src/specification/parser/readme.md
+++ b/src/specification/parser/readme.md
@@ -22,3 +22,4 @@
 | `..`                                   | Left to Right | range          | ✅   |
 | `?` `:`                                | Left to Right | ternary        | ✅   |
 | `=` `:=` `+=` `-=` `*=` `/=` `^=` `%=` | Right to Left | assign         | ✅?  |
+| `,`                                    | Left to Right | comma          | ✅   |